题目信息
A retailer bought a machine at a wholesale price of $90 and later on sold it after a 10% discount of the retail price. If the retailer made a profit equivalent to 20% of the wholesale price, what is the retail price of the machine?
A:81
B:100
C:120
D:135
E:160
参考答案及共享解析

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已选答案:
正确答案:
C:120
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