甲車隊(duì)有50輛汽車,乙車隊(duì)有41輛汽車.如果要使乙車隊(duì)汽車數(shù)比甲車隊(duì)的汽車數(shù)的2倍還多1輛,應(yīng)從甲車隊(duì)調(diào)多少輛車到乙車隊(duì)?

答案:
解析:

設(shè)應(yīng)從甲車隊(duì)調(diào)x輛車到乙車隊(duì),則調(diào)完后甲車隊(duì)有車50x輛,乙車隊(duì)有車41x輛,由題可得:41x2×(50x)1,解得x20,所以應(yīng)從甲車隊(duì)調(diào)20輛車到乙車隊(duì).


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