选择题
2020 AMC 8 Problem 1: Lemonade Recipe
Luka is making lemonade to sell at a school fundraiser. His recipe requires 4 times as much water as sugar and twice as much sugar as lemon juice. He uses 3 cups of lemon juice. How many cups of water does he need?
2020 AMC 8 第1题：柠檬水配方
卢卡正在制作柠檬水，准备在学校筹款活动中出售。他的食谱需要四倍于糖的水和两倍于柠檬汁的糖。他用了 3 杯柠檬汁。他需要多少杯水
A.
6
B.
8
C.
12
D.
18
E.
24