The total ratio of red to yellow is 3 + 5 = 8.
To find the amount of red paint needed, multiply the ratio by the amount of yellow paint: 20 oz yellow * (3/5) = <<20*(3/5)=12>>12 oz red. Answer: \boxed{12}.
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 20oz of yellow?
1 answer