作者scont ( )
看板GMAT
标题[问题] 一题math
时间Sun Mar 8 13:46:28 2009
A store currently charges the same price for each towel that it sells.
If the current price of each towel were to be increased by $1,10 fewer of the
towels could be bought for $120,excluding sales tax.
What is the current price of each towel?
(A)$1
(B)$2
(C)$3
(D)$4
(E)$12
答案是(C)
想请问一下 题目是说增加$1还是$1.1阿? 有点看不太懂
感谢~
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1F：推 LoveDior:增加$1块 能买的毛巾数少10条 03/08 13:56
2F：→ LoveDior:(毛巾数)(单价)=120 把$3代进去(毛巾数-10)(单价+1)=120 03/08 13:58
3F：→ LoveDior:我是这样推回来的^^ 03/08 13:58
4F：→ scont:喔喔 谢谢回答 03/08 15:42