You have a 10% orange juice drink that you will mix with 100% pure orange julee to make a juice drink that is 40% orange juice. The function y
(2)(1.0) (0.1)
gives the concentration y
of orange juice in the drink after you add x gallons of the 10% drink to gallons of pure julee.
How much of the 10% drink must you add for a drink that is 10% orange juice!