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
To get the answer we can use proportion 3 red ----------------- 5 yellow x red ----------------- 20 yellow Crossmultiply now 3*20=5x 60=5x /:5 (divide both sides by 5) 60:5=5x:5 12=x - its the answer