Question 726507
.065x+.05(8400-x)=517.50
.065x+420-.05x=517.50
.015x=517.50-420
.015x=97.50
x=97.50/.015
x=6500 invested @ 6.5%
8400-6500=1900 invested @ 5%
Proof:
.065*6500+.05*1900=517.50
422.50+95=517.50
517.50=517.50