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 9R
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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) (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:
\ =\ I)
Solve for , then calculate
John
My calculator said it, I believe it, that settles it
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