问题
单项选择题
If Josh, Doug, and Brad have a total of $72 among them, and Josh has three times as much money as Brad but only three-fourths as much as Doug, how much money does Doug have ？（）
A. $8
B. $9
C. $27
D. $32
E. $36
答案
参考答案：E
解析：
If Brad has B dollars, then Josh has 3B and Doug has 4B. Their combined amount of 8B equals $72; B=$72/8=$9, so Doug has $36.