A person invested $13,000, part of the money, x, was placed in a stock that paid 9% annual interest. The rest of the money suffered a 5% loss. Express the total annual income from both investments, I, as a function of x.

Question

Monserrat

Mathematics

21 August, 13:16

A person invested $13,000, part of the money, x, was placed in a stock that paid 9% annual interest. The rest of the money suffered a 5% loss. Express the total annual income from both investments, I, as a function of x.

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Answers (1)

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Braniac · Answer 1

I=0.14X+12350

Step-by-step explanation:

Amount=$13,000

Profitable Investment, 9%=X (1.09)

Negative Investment,-5% = (13,000-X) (1-0.05)

=>I=X (1.09) + (13000-X) (0.95)

I=1.09X-0.95X+12350

I=0.14X+12350