返回列表 发帖

pp3上一道数学题目,读不懂!

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
收藏 分享

牛人!多谢了!

TOP

设现在的价格是x.

则 120/(x-1)-10=120/x

解的x=4
It is not only a test! It is Beyond GMAT!
Robert Zhou
http://weibo.com/irobert

TOP

返回列表

站长推荐 关闭


美国top10 MBA VIP申请服务

自2003年开始提供 MBA 申请服务以来,保持着90% 以上的成功率,其中Top10 MBA服务成功率更是高达95%


查看