Problem:
Luka is making lemonade to sell at a school fundraiser. His recipe requires times as much water as sugar and twice as much sugar as lemon juice. He uses cups of lemon juice. How many cups of water does he need?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Since Luka needs twice as much sugar as lemon, he needs cups of sugar. Since Luka also needs four times as much water as sugar, he needs cups of water.
Thus, the correct answer is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions