if as many 7-inch pieces of wire as possible are c

发布时间:2021-02-18 22:31:01

if as many 7-inch pieces of wire as possible are cut from a wire that is 3 feet long ,what is he total length of the wire that is left over?(12 inches=1foot)A.1 inch B 2 inches C 3inchesD 4 inches E 5

网友回答

有一根3英尺的电线,把他分成7英寸长的电线,问分了几次后,共剩下多长的电线?(1英尺=12英寸)
那这根电线共3*12=36英寸,最多分成5根7英寸长的电线,那么用了5*7=35英寸,最后剩下的只有1英寸
答案选a======以下答案可供参考======
供参考答案1:
A供参考答案2:
A供参考答案3:
3 feet=(12*3) inches=36 inches
36 inches 可以截得最多5个7-inch 的线,最后剩下1 inch
选A供参考答案4:
A3 feet = 36 inches
36=5*7+1
截去5个7英寸之后,就剩1英寸了
希望对你有帮助
供参考答案5:
A,电线共36inches,应取7的倍数,余下1 inch
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