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一生涯凡人也

2. On a purchase of $120, a store offered a payment plan consisting of a $20 down payment and 12 monthly payments of $10 each. What percent of the purchase price, to the nearest tenth of a percent, did the customer pay in interest by using this plan?
(A) 16.7%
(B) 30%
(C) 75.8%
(D) 106.7%
(E) 107.5%

what does the question above mean? Thanks.

kazemi

买原价120的东西，首付20，每个月付10块，分期付款12个月，利息的利率是多少

一生涯凡人也

原题有个tenth 怎么翻译

kazemi

小数点后一位，背背数学词汇哈

kazemi

其实就算不认识，看答案也能猜到是四舍五入到小数点后一位吧

一生涯凡人也

十分感谢。