shyann78
11.07.2019 •
Mathematics
You have $23 comma 000 to invest, part at 8 % and the rest at 9 %. if x is the amount invested at 8 %, write an algebraic expression that represents the total annual income from both investments. simplify the expression.
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Ответ:
x = amount invested at 8 %. Then 23 000 - x = amount invested at 9 %
Annual income (I) = interest at 8 % + interest at 9 %
I = 0.08x + 0.09(23 000 – x)
I = 0.08x + 2070 – 0.09x
I = 2070 – 0.01x
Ответ:
The correct answer is D. 1/30