Math
posted by Lyn on .
Larry has an annual return of $213.00 from $3000.00 invested at simple interest. One at 5% and the other at 8%. How much is invested at each rate. (Hint, Interest earned = amount invested x rate of interest.)

.05x + .08(3000x) = 213.00
x=900
so, $900 at 5% and $2100 at 7%