Question

The Jelly Junior High school color is made by mixing red paint with yellow paint. The ratio of red to yellow is 3 to 5. How much red paint should be mixed with 20 oz. of yellow?

Answer 1

V/a = 3/5
a = 20
v = ...

3/5 = v/20
5v = 20*3
5v = 60
v = 60/5
v = 12 oz