Question

Ratio 7:5 . If there are 20 boys how many girls

Answer 1

No of girls= 7/5=x/20. 5x=140. X=28. No of girls =28

Answer 2

Answer:

according to the question ratio of the total class is 7 is to 5

total number of boys is 20 then let the number of girls be x

if 7 upon 5 is equal to X upon 20 E and V cross multiply

= 7/5 =x/20

= 5x = 140

x = 140/5

x= 28

boys = 20

girls= 28

Step-by-step explanation:

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