谁能帮忙我解一道英文数学题
The salary of Mr James and Mr Bala was in the ratio of 3:4.After each gave away an equal amount of $2000 to their wives,the ratio became 1:3.what was Mr James' salary?
人气：108 ℃ 时间：2020-02-01 11:38:19
解答
楼上的翻译是正确的,假设James的工资为x,Bala的工资为y
列方程组
4x = 3y
(x-2000)*3= y-2000
得到x=2400,y=3200
所以James的工资是2400
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二楼的解答不对,你说的3200是bala的工资,而不是james的工资
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