下面这道题怎么样做啊
the length of a rectangle is four times its width.if the perimenter is 60cm,what are the length and the width?
人气：462 ℃ 时间：2020-08-25 13:24:00
解答
计算：
设宽为x,则长为4x
又因为周长为60
所以 2(x+4x)=60得到x=6
answer:
the length is 24cm,
the width is 6cm.
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