Stan invests $5000, some at 6% interest and the rest at 4.5% interest. If x is the amount he invests at 6%, then the amount invested at 4.5% can be expressed as

A).045x.

B) 10.5x.

C) 5000 - x.

D) 5000 + x.

Question

Pongo

Mathematics

9 June, 18:35

Stan invests $5000, some at 6% interest and the rest at 4.5% interest. If x is the amount he invests at 6%, then the amount invested at 4.5% can be expressed as

A).045x.

B) 10.5x.

C) 5000 - x.

D) 5000 + x.

+4

Answers (1)

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Sonia Weiss · Answer 1

Let's say that Stan invested $1500 at 6%. To find how much he invested at 4.5% would be 5000 - 1500 = $3500. Now we have a pattern. Now let's say stan invested x dollars. Even though it is unknown, we can set up how much is left. So subtract x from 5000 or 5000 - x which is C

Stan invests $5000, some at 6% interest and the rest at 4.5% interest. If x is the amount he invests at 6%, then the amount invested at 4.5% can be expressed asA).045x.B) 10.5x.C) 5000 - x.D) 5000 + x.

Stan invests $5000, some at 6% interest and the rest at 4.5% interest. If x is the amount he invests at 6%, then the amount invested at 4.5% can be expressed as

A).045x.

B) 10.5x.

C) 5000 - x.

D) 5000 + x.