GRE
Number of boys in the school now.
72
0.05 percent of 4000
$$\frac{1}{200} of 4000$$
Ashley's score
Charles' score
$$(\frac{4}{5})$$%
0.8
Number of CDs that Carl now has
Number of CDs that Karen now has
Price of item excluding sales tax
$39
25000 +道题目
256本备考书籍