1) is not enough: .33(M) and .20(F) are given. two unknowns, cannot be solved. INSUFF
2) .25(M+F) are transferred, again two unknowns. INSUFF
together: SUFFICIENT.
set up a chart. since you are given two percentages, you can make total M = 100.
33 + 0.20X = 0.25(100 + x)
8 = .05X
x = 160.
since x is total female and 100 is total male,
the fraction of males in the entire college is: 100/(100+160) = 5/13
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GMAT Prep Que - fraction of this year's graduating males?
Source: Beat The GMAT — Data Sufficiency |
33/100 M + 20/100 F = 25/100 (M+F)
.33M + .20F = .25(M+F)
Simplify
8M = 5F
M/F = 5/8
M/T = 5/13
(C)
.33M + .20F = .25(M+F)
Simplify
8M = 5F
M/F = 5/8
M/T = 5/13
(C)
