A fruit drink is made of orange, watermelon, and grape juice, where 35 percent of the drink is orange juice and 35 percent is watermelon juice. If the drink is made with 45 ounces of grape juice, how many ounces is the drink total? Choose the correct choice
A) 120	B) 140	C) 150	D) 180	E) 200

Rationale: "let the total number of ounces in the drink be x . % of orange = 35 % % of watermelon = 35 % % of grape = 100 % - 70 % = 30 % 0.30 x = 45 x = 150 therefore there are a total of 150 ounces in the drink . the answer is c ."
Answer: C