书店新进购一批图书,12个书架可以摆放660本.照这样计算,15个书架可摆放多少本图书?
题目
书店新进购一批图书,12个书架可以摆放660本.照这样计算,15个书架可摆放多少本图书?
(2)书店新进购一批图书,如果每个书架摆放48本,需要5个书架.如果每个书架摆放40本,需要几个书架?
答案
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