You have 6 boys to every 5 girls in math class. How many boys are in class if there are 30 girls in the class.

Answer:

36

Step-by-step explanation:

no of boys = 6

no of girls= 5

Ratio = 6:5

No of girls = 30

Ration = 6:5:: x : 30            (x = 30 / 5 x 6)

         = 6:5:: 36:30

I hope its right!

There are 36 boys.

Since the ratio is 6:5 and the question wants to know how many boys are in a class if there are 30 girls then all you have to do is divide 30 by 5 to get 6 (which is a key factor in this equation). After that you multiply the 6 by the original number of boys (which is also six) to get a total of 36 boys. This is an equivalent expression to the original ratio.

Original:

6:5

When there are 30 Girls:

36:6

When 36:5 is divided by 6 you get 6:5 which is the original ratio.

Hope this helps and have a nice day.

-R3TR0 Z3R0

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