Question 60957
.10X+.08*2X=9100
.10X+.16X=9100
.26X=9100
X=9100/.26
X=35000 AMOUNT INVESTED @ 10%
2*35000=70000 INVESTED @ 8%
PROOF
35000*.10+70000*.08=9100
3500+5600=9100
9100=9100