Posted by **lori** on Friday, September 6, 2013 at 11:18pm.

A professor wants to supplement her pension with investment interest. If she invests $26,000 at 7% interest, how much more would she have to invest at 9% to achieve a goal of $4,160 per year in supplemental income?

- math -
**Graham**, Friday, September 6, 2013 at 11:35pm
What is the interest period? Annually, quarterly, monthly, or what?

Assuming annually. Make adjustments if otherwise.

Supplemental income is interest earned over the period. For one year this is:

4160 = 0.07*26000 + 0.09*x

Solve for x.

## Answer This Question

## Related Questions

- math - A professor wants to supplement her pension with investment interest. If ...
- math - A professor wants to supplement her pension with investment interest. If ...
- college math - A professor wants to supplement her pension with investment ...
- math - Andrew wants supplement his pension with investment interest if he ...
- math - A prfessor wants to supplement her pension with investment interst. If ...
- Math - Envision that you have served as business manager of Media World for ...
- Math - I really need some help with this one. Envision that you have served as ...
- Math - Envision that you have served as business manager of Media World for over...
- Math - Can someone steer me in the right direction? Here's the question. ...
- Business - Envision you have served as business manager for over two years. you ...

More Related Questions