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If the price of the clothes decreases from $25 to $20, what is the percent decre
If the price of the clothes decreases from $25 to $20, what is the percent decre
游客
2024-01-12
16
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问题
If the price of the clothes decreases from $25 to $20, what is the percent decrease in price?
选项
A、4%
B、25%
C、20%
D、50%
E、5%
答案
C
解析
首先要求出减少量,本题中减少量为25-20=5;但现在是用5除以25,还是除以20呢?注意:分母还应该是原来没有降价时候的量,即25,所以减少的百分比为5/25=20%。正确答案为C。
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