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[Problem Solving]

试题详情

题目:

If an automobile averaged 22.5 miles per gallon of gasoline, approximately how many kilometers per liter of gasoline did the automobile average? (1 mile = 1.6 kilometers and 1 gallon = 3.8 liters, both rounded to the nearest tenth.)

选项:

A、3.7
B、9.5
C、31.4
D、53.4
E、136.8

答案:

B

提问:

怎么解出

解答:

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阅读1120
解答: 姜山

提问:

怎么解出

解答:

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阅读1121
解答: 姜山老师

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