Question

The ratio of Mark's age to Reeta's age is 3:5

Mark's age is 24 years.
(a) Work out Reeta's age.​

Answer 1

40

Explanation:

Set up a ratio. Solve for x.

`(3)/(5)=(24)/(x) \\3x = 120\\x=40`

Reeta is 40 years old.