SOLUTION: $2000 is invested in certificates of deposit. Some of the $3000 is placed in a 4% simple interest certificate of deposit and the rest in a 5% simple interest certificate of deposit

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: $2000 is invested in certificates of deposit. Some of the $3000 is placed in a 4% simple interest certificate of deposit and the rest in a 5% simple interest certificate of deposit      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1080384: $2000 is invested in certificates of deposit. Some of the $3000 is placed in a 4% simple interest certificate of deposit and the rest in a 5% simple interest certificate of deposit. If at the end of the year, $88 was the total interest earned, how much was invested in the 5% certificate?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let n and 2000-n be the amounts deposited at 5% and 4%, respectively. Then:
.05n+.04(2000-n)=88
.01n=8
n=$800 invested at 5%; $1200 invested at 4%. ☺☺☺☺