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作者: robert 时间: 2003-6-1 16:02
设现在的价格是x.
则 120/(x-1)-10=120/x
解的x=4作者: gu946 时间: 2003-6-1 16:07
牛人!多谢了!
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