A certain number of apples are distributed among poor children.If 3 apples are given to each of them,80 apples remain and if 4 apples are distributed to each of them,there is a shortage of 30 apples.Find the numbers of children and apples.(方程式加答案!)
人气：377 ℃ 时间：2020-04-08 02:48:58
解答
题目意思是给每人3个苹果还多80个,给每人4个又少了30个
设有x人y个苹果
y=3x+80
y=4x-30
得x=110y=410
即有110人410个苹果
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