题目

翻译一道英文出的数学题
Phillip charged $400 worth of goods on his credit card. On his first bill, he was not charged any interest, and he made a payment of $20. He then charged another $18 worth of goods. On his second bill a month later, he was charged 2% interest on his entire unpaid balance. How much interest was Phillip charged on his second bill?
A. $8.76
B. $7.96
C. $7.60
D. $7.24
E. $6.63

提问时间：2020-07-13

答案

(400-20+18)*2%=7.96
The answer is B.
支付了20,又花了18,所以实际花销是398.