Question

A cinema hall contains a number of people If 221/2% are children 471/2% are men and 84 are women find the number of men in the hall?

Answer 1

children --- 22.5 %
men ---- 47.5 %
so women = 100 - 22.5 - 47.5 = 30%

so .3x = 84
x = 84/.3 = ...