问题标题:
【翻译一道英文出的数学题Phillipcharged$400worthofgoodsonhiscreditcard.Onhisfirstbill,hewasnotchargedanyinterest,andhemadeapaymentof$20.Hethenchargedanother$18worthofgoods.Onhissecondbillamonthlater,h】
问题描述:
翻译一道英文出的数学题
Phillipcharged$400worthofgoodsonhiscreditcard.Onhisfirstbill,hewasnotchargedanyinterest,andhemadeapaymentof$20.Hethenchargedanother$18worthofgoods.Onhissecondbillamonthlater,hewascharged2%interestonhisentireunpaidbalance.HowmuchinterestwasPhillipchargedonhissecondbill?
A.$8.76
B.$7.96
C.$7.60
D.$7.24
E.$6.63
谭春毅回答:
(400-20+18)*2%=7.96
TheanswerisB.
支付了20,又花了18,所以实际花销是398.
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