SOLUTION: shirley invested some money in an account that paid 9% interest and $250 more than that amount at 10% interest. if her total interest was $101, how much was invested at each rate?
Algebra.Com
Question 28797: shirley invested some money in an account that paid 9% interest and $250 more than that amount at 10% interest. if her total interest was $101, how much was invested at each rate?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
total interest = (9% * x) + (10% * (250 + x))
.09x + .1(250 + x) = 101
.09x + 25 + .1x = 101
.19x = 76
x = 400
250 + x = 650
check
.09(400) + .1(650) = 101
36 + 65 = 101
101 = 101
checks OK
RELATED QUESTIONS
Karen invested some money at 9% annual simple interest and $250 more than that amount at... (answered by checkley71)
Elaine invested some money in an account paying 16%, and $100 more in an account paying... (answered by ikleyn)
Please help me solve this equation:
Karen Waugtal invested some money at 9% annual... (answered by ptaylor)
Karen Waugtat investedsome money at 9% annual simple interest and $250 more than that... (answered by checkley71)
Barneys money earned $204 in interest after 1 year. He invested some of is money in an... (answered by richwmiller)
An amount of money invested for 1 year in a savings account will earn $800. That same... (answered by Boreal)
An amount of money invested for 1 year in a savings account will earn $1,200. That same... (answered by jorel555)
An amount of money invested for 1 year in a savings account will earn $1,600. That same... (answered by addingup)
An amount of money invested for 1 year in a savings account will earn $1,000. That same... (answered by greenestamps)