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题目内容双击单词支持查询和收藏哦～
For 1 year, Maria invested $10,000 at a simple annual interest rate of x percent and $8,000 at a simple annual interest rate of y percent, where$$x=\frac{3y}{4}$$and y>0.
Quantity A
The amount of interest earned on the $10,000 investment
Quantity B
The amount of interest earned on the $8,000 investment
B显示答案
以上解析由 考满分老师提供。
