Answer:
45%
Explanation:
First, let's set up a fraction of how much money she spent for fruit out of the total amount of money she spent.

For a percentage, we need a fraction out of 100. To do this, we can multiply the fraction by 5/5 (5*20=100). Notice we can only do this since 5/5 is equivalent to 1, so you are technically multiplying the fraction by 1.

A percentage is just the numerator of a number over 100 therefore it is equal to...
45%