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翻译一道英文出的数学题Phillip charged $400 worth of goods on his credit
题目内容：
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
优质解答
(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.
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
优质解答
The answer is B.
支付了20,又花了18,所以实际花销是398.
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