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【OG20-P150-33题】
During a certain time period, Car X traveled north along a straight road at a constant rate of 1 mile per minute and used fuel at a constant rate of 5 gallons every 2 hours. During this time period, if Car X used exactly 3.75 gallons of fuel, how many miles did Car X travel?
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【答案】E
【解析】X行驶2小时行驶120 miles，用5 gallons 燃料，所以
行驶距离与所用燃料的比值=120：5=24:1
所以，用3.75gallons的燃料行驶的距离为24×3.75=90
【知识点补充】
消耗总量=单位消耗量×时间
追梦的猪猪
每两个小时用 5gallons，每个小时 2.5 加仑。3.75加仑是一个多小时不到俩小时，除一下 3.75/2.5 是 1.5 小时用掉这些汽油，90 分钟，就是 90 mile。因为每分钟 1 mile。
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2021-10-26 11:09:38
shangym
3.75 gallons of fuel*5/2=1.5hours 1.5*60=90mins 90*1 mile per minute=90miles
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2019-07-28 21:46:35
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问题求解PS
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