GWD3-29

feiya

Each week a certain salesman is made a fixed amount equal to $300 plus a commission equal to 5 percent of the amount of these sales that week over $1,000.What is the total amount the salesman was paid last week?
(1)The total amount the salesman was paid last week is equal to 10 percent of the amount of these sales last week.
(2)The salesman’s sales last week total $5,000.

答案是D，我觉得是C啊。。。。

tata

亲，这道题可能还真是D
根据提议，我们设他每个月的总销售额为A
那么他的收入就是300+5%（A-1000)
第一个条件，我们可以列出一个等式 10%A =300+5%（A-1000),你可以求出A，这样也可以算出他的收入。
第二个条件，直接就可以算出来
所以两个条件都单独有效，选择D