Question

In a class of 60 pupils the ratio of the number of boys to the number of girls is 7:8 . How many girls and boys are there.

Answer 1

Step-by-step explanation:

7x+8x=60

15x=60

x=4

no of boys=7*4=28

no of girls=8*4=32

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Answer 2

Number of boys and girls=7:8

Therefore, Boys=7x

and Girls=8x

Pupils in a class= 60

Therefore, 7x+8x=60

15x=60

x=60÷15

x=4

Therefore, Number of boys=7x

7×4=28

and number of girls=8x

8×4=32