求og12一道数学题题目翻译

reyanwoo

og12~5.3 ps sample questions 115Mary's income is 60 percent more than Tim's income,and TIm's income is 40 percent less than Juan's income.what percent of JUan's income is Mary's income?
A 124% B120% C96% D80% E64%


题目很简单，但是算出来是M's income is J's income is 96%.问题问的是J's income is M's income is? 这样翻译是一样的吗？
菜鸟求救，希望大家帮忙解答。感谢。

lxg0525

就是说，JUAN的百分之多少得出的结果是mary的
设tim=x
mary= （1+60%）*x
juan= x/（1-40%）

设 juan的百分之y是mary的
所以就是
(x/(1-40%))*y=（1+60%）*x
y=96%

reyanwoo

got it，thank you very much！