Question 1017459

An executive invests $21,000, some at 8% and some at 6% annual interest. If he receives an annual return of $1,600 how much is invested at each rate
<pre>Amount invested at 8%: {{{highlight(highlight_green(highlight(matrix(1,1,"$17,000"))))}}}
Amount invested at 6%: {{{highlight(highlight_green(highlight(matrix(1,1,"$4,000"))))}}}