in a school number of boys equal to number of girls if 8 girls leaves and twice as many boys as girls then what is total number of boys and girls
a)32
b)16
c)8
d)12
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A classroom contains an equal number of boys and girls.
b = g
:
If 8 girls leave, twice as many boys as girls remain.
b = 2(g-8)
Replace g with b
b = 2(b-8)
b = 2b - 16
16 = 2b - b
b = 16 boys, then 16 girls originally
So option b)
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