abbyramirez52

19.02.2021 • 

Mathematics

A retired woman has $80,000 to invest but needs to make $9,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. The rest of it she wants to put in a CD that pays 7%.
Set up and solve the equation for how much the woman should invest in each option to sustain exactly a $9,000 annual return.
bond $ ?
CD $?

Ответ:

trent1002brown

21.03.2021

Mathematics

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bond $42,500

CD $37,500

Step-by-step explanation:

While x is investment in bond in k$

          y is investment in CD in k$

Solving gives

x=42,5

y=37,5

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Ответ:

jackfrost5

21.09.2022

Mathematics

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3x10-4 b is the answer

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