SOLUTION: Susan is planning on investing her $1,600 bonus, putting some in an account earning 6% and the rest in an account earning 8%. How much should she put in each to have a total of $10

Question 169295This question is from textbook
: Susan is planning on investing her $1,600 bonus, putting some in an account earning 6% and the rest in an account earning 8%. How much should she put in each to have a total of $104 interest? This question is from textbook

Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
The amount of money invested at each rate added together will equal the interest earned. call x the amount invested at 6% and 1600-x the amount invested at 8%
:
.06(x)+.08(1600-x)=104
:
.06x+128-.08x=104
:
.02x=24
:
invested at 6%
invested at 8%
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