Mathematics Middle School

David spent 25% of his money at the department store if he has $27.36 left how much money did he start with

Answers

Answer 1

Answer:

$11.00 at the start

Step-by-step explanation: May I have brainliest

2/3(.75a) = 5.50

2(.25a) = 5.50

.5a = 5.50

a = 5.50/.5

a = $11.00 at first

Answer 2

Answer: $109.44

Step-by-step explanation:

Create an equation so .25 of his money (m), of means multiply so .25m =$27.36, so solve for m, m= 27.36/.25, so m=109.44

Related Questions

I need help again lol

Answers

Answer:9

Step-by-step explanation:

Check all prism measurements that fit these criteria. All lengths are given in feet.

Answers

Holy moly macaroni what in the world

The mean of a set of numbers is found by adding the values and dividing by the number of values. What is the mean of this set of gymnastic scores?

7.4, 7.1, 3.3, 9.1, 8.2

Answers

Answer:

Step-by-step explanation:

You have to add all of those scores together and then you divide by the number of scores to get the mean.

the mean is 28.54. You have to add all of them and then divide by the amount of numbers.

rate of change when the coordinates are (2,11) and (5,17)? :/

Answers

Answer:

make a x and y chart

so x should have 2 and 5 while y has 11 and 17

2 to 5 is plus 3 while 11 to 17 is 6

now do you divided by x

6 divided by 3 equals 2

slope / rate of change is 2

What ever the other person said is wrong I got the right answer on a quiz

Gugbygbtgbygbygbybyg

Answers

The answer to the question is L

What is the volume of this rectangular prism?

16 cubic centimeters

96 cubic centimeters

160 cubic centimeters

192 cubic centimeters

Answers

Answer:

96 cubic centimeters

Step-by-step explanation:

v=lwh

v=2(8)6= 96

Answer:

96 cubic centimeters

Step-by-step explanation:

Given,

Dimensions of the rectangular prism are = 2cm, 8cm, 6cm

Therefore, Volume of that rectangular prism = l × b × h

= 2cm × 8cm × 6cm = 96 cubic centimetres (Ans)

15 POINTS AND BRAINLIEST
Which data set could be graphed as a set of points connected by a straight line?

A) a book to student ratio of 10 to 1
B) a 1 to 7.50 ratio of CDs to dollars
C) a time to distance ratio of 1 to 5
D) a 3 to 1 ratio of cups to straws

Answers

Answer:

C.) time to distance ratio of 1 to 5 (I think)

Answer:

C) a time to distance ratio of 1 to 5

Step-by-step explanation:

Help me please I can’t fail this assignment I promise I will give brainliest

Answers

Answer:

The Answer is A. both the dot plot and the box plot, the range is 13.

Step-by-step explanation:

The Range of this would be 6 to 19; or 13. You can find this on both because you can see that 6 is the lowest and 19 is the highest on both graphs. The range is the lowest and highest numbers and all in between.

I can't really explain it too well so forgive me if you can't understand it.

-Nova

A hot air balloon descends from an altitude of 2,000 feet at a constant rate of 90 feet per minute. Write a linear function in terms of y=mx+b to model the situation.

Answers

Answer:

the hot air balloon is hotter than me

Step-by-step explanation:

Answer:
The guy above me probably isnt wrong

Answer the question:

Answers

Step-by-step explanation:

so basically what you want to do is you're going to want to divide the 64 by the 2D negative 3D so if you know how to do that didn't have your answer right there if you don't then just use a calculator but that's what you're going to want to do like throughout the whole thing is you're going to want to do negative 64th -3 D -5 D -8 in negative terms you just got to keep matching them up in order. Hope this helps!!

^^^ correct answer! I checked

PLEASE HELP ASAP
Clare has 34 of a bag of cat food. Her cat, Hobbs, eats 110 of a bag per week. Write your answer in lowest terms.

How many weeks will the food last?

Answers

Answer:

гафу итегез, мин ярдәм итә алмыйм, миңа бик кирәк

Step-by-step explanation:

witch ones are bigger.
a. 5/9 or 11/18

b. 3/8 or 4/9

Answers

Answer:

for a it would be 11/18 and for b it would be 4/9

Step-by-step explanation:

This is because I did the same butterfly method. 5 times 5 times 18 which is 90 for 5/9 and 9 times 18 is 99 for 11/18, you can also write it as 5/9 and 11/18 but cross multiply. This is also what I did with the second one.

b, the smaller the number the bigger the fraction.

I’m really sorry but at least y’all getting all of my points!

Answers

Answer:

Step-by-step explanation:

its minusing by 9 so 20

Answer:

Step-by-step explanation:

this is your answer becaue 65-56 =9

56-47=9

47-38=9

38-29=9

so your answer is 9

HOpe this helps u

Pls mark brainlist

Sasha baked 21 cookies with 3 scoops of flour. How many scoops of flour does Sasha need in order to bake 28 cookies? Solve using unit rates.

Answers

4 because 21 is 3x7 and 28 is 4x7

A passing grade is a 70, how many points are they away from passing for this report card? They need 2 more points to pass the report card

Answers

Umm you practically salve it

The prisms are similar. Find the missing width w and height h

Answers

My guess,

W: 40
H: 68

W=45 and h= 66 hope it helps if we take 60/80 we know the ratio is .75 now times the dimension similar to the one you want to find by that ratio and you get the above answers

help pleaseeeeeeeeeeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

i think its D, its the only one that makes sense

im pretty sure it’s D
A is a reduction
B is a reduction
C is an enlargement but it’s only double

Solve: Mavrick has a 12 3/4 foot long streamerto decorate the hallway at his school.
he cuts off 3/8 of a foot from each end to fit in the hallway. his principle asks him to
make another streamer that is 5/6 as long.How long is the new streamer?

Answers

Answer:34

Step-by-step explanation:

Answer:

12.375

Step-by-step explanation:

do 12 3/4 - 3/8 = 12.375

CAN SOMEONE PLEASE PUT THIS IN SLOPE INTERCEPT FORM I NEED IT NOWW AND EXPLAIN

2x-1y=-5

Answers

Answer: Slope intercept form Y=2x+5

Answer:

y = 2x + 5

Steps:

2x - 1 x y = -5

help me please !!!!!!!

Answers

Answer:

h=14

Step-by-step explanation:

h-24=-10

h=-10+24

h=14

I had also gotten h=14

AHHHH HELP MEH PLZ I NEED HEP RN AGAIN !!!

Answers

wait what is the question?

HELP ASAP:
Write the ratio of twice a number and 5 as an expresssion.

Answers

I think the answer is 2n/5 but I could be wrong

i think This means: 2 times p (twice a number p; p being a variable for a currently unknown number) plus 5 (5 more).

Which two quantities are in a proportional relationship, and why?

Answers

Answer:

[tex]\frac{3}{4} =\frac{18}{24}[/tex] The ratios are the same .

Step-by-step explanation:

When y ∝ x then,

[tex]y=k*x[/tex]

When y ∝ 1/x then

[tex]y=\frac{k}{x}[/tex]

while k is a constant.

Answer:

3/4 and 18/24; the ratios are the same.

Step-by-step explanation:

A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "three is to four as eighteen is to twenty-four."

In problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. To find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

Here, 3 and 24 are the extremes, and 4 and 18 are the means. Since the cross products are both equal to 60, we know that these ratios are equal and that this is a true proportion.

Jorge's lunch cost $19. He left a 22% tip.

What was the total cost of the lunch with tip?

Enter your answer in the box

Answers

Answer:

$23.18

Step-by-step explanation:

Answer:

23.18

Step-by-step explanation:

first find 22% of $19.00= 4.18

19+4.18

witch is bigger

1/4
or
2/7

Answers

Answer:

2/7

Step-by-step explanation:

this is because you can simply do the butterfly method and multiply 4 times 2 which is 8 for 2/7 and 7 times 1 for 1/4 which is 7 so 2/7 is greater than 1/4

last question!!!!!!!

Answers

49 pennants 1/3 x15 =30 so plus 1 and 2/3 that is 5 so it is 35 boom

4150 people show up to watch the tiger eat on most days. Today there were 15% few people. How many people were there today? PLSS HELP IM ABOUT TO DIE

Answers

There will be 3527.5 people the tiger ate some

Solve, -5 3/4 - 3/12

Answers

-6

hope this helps! i checked my answer with a calculator so i hope this is correct. if not i apologize

-9 1/4 because subtracting from a negative is like adding a positive. It’s the right answer

The scatter plot shows the number of hours of work each day and the number of minutes of exercise.

Use the scatter plot to complete this statement: A person who works ___ hours a day would expect to get 90 minutes of exercise.

Answers

Answer:

Step-by-step explanation:

4 because that is what the y axis shows for the corresponding x axis at 90

I believe it would be 4

A circular running track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's running speed?

Answers

Answer:

Step-by-step explanation:

Elena's speed was 25mph

1/4 x 1/20

Answer:

5mph

Step-by-step explanation:

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