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Question 816536: in a class the ratio of girls to boys is 5/7. how many boys are there in a class of 600 students?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! g/b = 5/7
g = (5/7)b
b + g = 600
b + (5/7)b = 600
(7/7)b + (5/7)b = 600
(12/7)b = 600
b = 600(7/12)
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b = 350
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