SAT数学题:20 percent of 5 is 50 percent of what number?

问题描述:

SAT数学题:20 percent of 5 is 50 percent of what number?
我想知道这题的翻译是多少?percent不是百分的意思吗?

5的20%等于什么的50%?
解析:5x20%=Ax50%
A=5x20%/50%