作业帮sat math problem *1
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sat math problem *1
Jim's recipe for cranberry-grape juice calls for 4 cups of grape juice for every 7 cups of cranberry juice. He wants to make 132 ounces of cranberry-grape juice but realizes that he is short by exactly 4 cups of cranberry juice. How many ounces of cranberry juice does he have?
a.10
b.32
c.52
d.80
e.84
Jim's recipe for cranberry-grape juice calls for 4 cups of grape juice for every 7 cups of cranberry juice. He wants to make 132 ounces of cranberry-grape juice but realizes that he is short by exactly 4 cups of cranberry juice. How many ounces of cranberry juice does he have?
a.10
b.32
c.52
d.80
e.84
选D吧.
再问： 给我下解析好吗？ 谢谢
再答： 要调这种果汁，需要7：4的比例，也就是一共11杯。现在要调132盎司，132是11的12倍，也就是84份cranberry和48份grape，现在少了4杯cranberry，所以已经有了80杯。
再问： 给我下解析好吗？ 谢谢
再答： 要调这种果汁，需要7：4的比例，也就是一共11杯。现在要调132盎司，132是11的12倍，也就是84份cranberry和48份grape，现在少了4杯cranberry，所以已经有了80杯。