Ram K. answered 12/20/16
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Physics, chemistry math and engineering IVY league PhD tutor
B = number of boys, G = number of girls.
B + G = 40, G = 2B - 5
3B-5 = 40, B=15, G = 25
Janet G.
asked 12/20/16Ram K. answered 12/20/16
Physics, chemistry math and engineering IVY league PhD tutor
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