A group of boys and girls took a test. Exactly 2/3 of the boys and exactly 3/4 of the girls passed the test. If an equal number of boys and girls passed the test, what fraction of the entire group passed?

Question

anonymous · Answer

number of girls = g
number of boys = b
(2/3)b = (3/4)g
Solve:
((2/3)b + (3/4)g) /(b+g)

anonymous · Answer

Substitution should work. Solve the first equation for one variable and substitute in for that variable in the second equation. Let me see your attempt. =)

anonymous · Answer

i dont know how to do that

anonymous · Answer

Give it a shot.

anonymous · Answer

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anonymous · Answer

what do you substiturte it for?