Homework Help: Math

Posted by Alicia on Tuesday, June 23, 2009 at 7:40pm.

An investment advisor invested a total of $12,000, part at 2.5% annual simple interest and part at 4% annual simple interest. The amount of interest earned for 1 year was $426. How much was invested at the 2.5% rate and how much was invested at the 4% rate?

Math - Reiny, Tuesday, June 23, 2009 at 8:34pm
let the amount invested at 2.5% be x
then the amount invested at 4% is 12000-x

solve the equation
.025x + .04(12000-x) = 426
Math - Jamie, Tuesday, June 23, 2009 at 8:58pm
I figured it out. Thanks for your help!

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