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?
麻烦哪位NN帮我翻译题目，我怎么看不出来，哪一句的意思是改变前后的乘积都是120啊？ | 
