To make orange paint, Pedro mixes red paint and yellow paint in the ratio 3:2. If he uses 8.5 gallons of yellow paint, how many gallons of red paint does he use

Question

How do you get from ratio to decimal?

Answer 1

ratio 3/2

3x+2x=8.5

5x=8.5

x=8.5/5

x=1.7

3*1.7=5.1 gallons of red paint

2*1.7=3.4 gallons of yellow paint