A-A+
Art Bob and Carmen share a prize of $400. If
问题详情
Art, Bob, and Carmen share a prize of $400. If Art receives twice as much as Bob, and if Bob receives 1/2 as much as Carmen, how much does Carmen receive？
A．$20
B．$40
C．$80
D．$120
E．$160请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：E
解析：Art，Bob，Carmen分享400美元的奖金，若Art接受的奖金数是Bob的两倍，并且Bob接受的奖金数是Carmen的1/2，问Carmen的奖金是多少?解：本题的正确答案是(E)。设Carmen的奖金为x，Bob的为1/2x，则Art是Bob的两倍也为x，由题意可得：x+1/2x+x=400→x=160
