Question

Using ratios.

1. The ratio of male employees to
female employees is 1:3. If
there are 144 female
employees in total, how many
males are there?

Answer 1

`\stackrel{\textit{ratio of 1~:~3}}{\cfrac{males}{females}~~ = ~~\cfrac{1}{3}}\implies \cfrac{males}{144}~~ = ~~\cfrac{1}{3}\implies 3males=144 \\\\\\ males=\cfrac{144}{3}\implies males=48`

Answer 2

48

Explanation:

set up a proportion of 1/3 and x/144 and then divide 144 by 3 which is 48