网易有爱插件界面图:math problem

来源：百度文库 编辑：高考问答 时间：2024/05/07 19:34:45
A round trip ticket cost $54.50 while a one way ticket cost $29.00. How much will be saved by buying 3 round trip tickets instead of buying one way ticket

29*6-54.5*3=10.5

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