Gronk has water and a solution that is 90% Gatorade. How many gallons of water should be mixed with the Gatorade to make 20 gallons of a new mixture that is 72% Gatorade?
Gatorade in ingrediants = gatorade in final product
x = amount of 90% mix
.9 x = .72 (20)
x = 16 gallons to make the final mixture volume 20 gallons, add 4 gallons of water.