Suppose that you have $9000 to invest, and you invest x dollars at 10% and the remainder at 8%. Choose the expression that represents the amount invested at 8%.

Question

Quizplus · Accepted Answer

We know that we invest x dollars at 10% and the remainder ($9000-x) at 8%. Thus, the amount invested at 8% is $9000 - x. Since we want to choose the expression that represents the amount invested at 8%, we choose the option that has "9000-x" in it. Only option B has this expression.

Suppose That You Have $9000 to Invest, and You Invest