# college algebra

An executive invests \$22,000, some at 8% and some at 6% annual interest. If he receives an annual return of \$1,680, how much is invested at each rate?

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1. If x is at 8%, the remainder (22000-x) is at 6% so,

.08x + .06(22000-x) = 1680
...

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posted by Steve
2. 77777

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