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 $?

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

sorry, i don't know i just need points, i'm new here. chao

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !