SOLUTION: Mark put last year's bonus of $2,800 into two accounts. He invested part in a CD with 2.2% annual interest and the rest in a money market fund with 2.9% annual interest. His

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Mark put last year's bonus of $2,800 into two accounts. He invested part in a CD with 2.2% annual interest and the rest in a money market fund with 2.9% annual interest. His       Log On


   



Question 1200175: Mark put last year's bonus of
$2,800 into two accounts. He
invested part in a CD with
2.2% annual interest and the
rest in a money market fund
with 2.9% annual interest. His
total interest for the year was
$67.20. How much did he
invest in each account?

Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
x invested at 2.9%
2800-x invested at 2.2%

0.029x%2B0.022%282800-x%29=67.20
Simplify and solve.