Question

To make purple paint, Mya mixed 2/5 cup of red paint with 5/8 cup of blue paint. She wants to make a larger batch of the purple paint. How much red paint is needed to mix one cup of blue paint?

Please help!!!

Answer 1

(5/8)r = 2/5

Explanation:

red : blue :: 2/5 : 5/8 proportion

r : 1 :: 2/5 : 5/8 substitution

(5/8)r = 2/5 product means/extremes

Answer 2

3/5

Explanation:

Cause 3/5+2/5=1 whole