乙两位同学同时为校文化艺术节制作彩旗.已知甲每小时比乙多做5

乙两位同学同时为校文化艺术节制作彩旗.已知甲每小时比乙多做5面彩旗,甲做60面彩旗与乙做50面彩旗所用时间相等,问甲、乙每小时各做多少面彩旗?2

答案

解:设乙每小时做x面彩旗,则甲每小时做(x+5)面彩旗

根据题意,得

解这个方程,得x=25.经检验,x=25是所列方程的解. x+5=30

答:甲每小时做30面彩旗,乙每小时做25面彩旗.

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