SOLUTION: A renowned mathematician received a ​$40000 bonus to accept a tenured professorship at a university. She invested part of the bonus in fixed income securities yielding 9&#82

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Question 1051869: A renowned mathematician received a ​$40000 bonus to accept a tenured professorship at a university. She invested part of the bonus in fixed income securities yielding 9​% annually. The rest of the bonus money was invested in a high tech startup expecting to yield 33​% annually to its investors. How much was invested in tech business if she expected to earn ​$10320 annually from her​ investments?
ivy has two investments totaling ​$14,000. Plan A has an APR of 4​% and plan B has an APR of 9​%. After one​ year, the interest earned from plan B is ​$350 more than the interest from plan A. How much did she invest in each​ plan?


tyler invests money in two plans. He invests three-fifths of the money in an account at a return rate of 8%. He invests the remainder of the money in an account with a return rate of 2%. If the total interest earned in one year from the investments is ​$67.20​, how much was invested in each​ plan?



Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


A person has currency units invested in 2 accounts.

One account earns percent interest, and the other account earns percent interest.

The two accounts earn a total of interest in one year.

How much is invested in each account?

Let be the amount invested at percent. Then the amount invested at percent is , and:



Solve for , then calculate

John

My calculator said it, I believe it, that settles it