Question

In a fund-raising committee of 45 people, the ratio of men to women is 7:2. Find the
number of women required to join the existing committee so that the ratio of men to
women is changed to 5:4.

Answer 1

20 more women needs to join for the ratio to be 5:4.
7:2 = 45 people
45 decide 9=5people
7•5=35people (men)
7•2=10people (women)

35(men)
10+20=30(women)
35:30 = 5:4