SOLUTION: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $774 annual interest, find the total investment.

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $774 annual interest, find the total investment.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 901216: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $774 annual interest, find the total investment.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
0.02*x+0.07*x+0.09*x=774
.18x=774
x=4300 total investment