SOLUTION: the ratio of the number of boys to the number of girls in a class was 2:3 at first. after 4 girls left the class, the ratio became 4:5. how many boys were there in the class

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Question 392153: the ratio of the number of boys to the number of girls in a class was 2:3 at first. after 4 girls left the class, the ratio became 4:5. how many boys were there in the class
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!
and
==> and
==>
==> 5g = 6g - 24
==>g = 24, the number of girls, and
b = 16, the number of boys.

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