Question 269869
.10x+.08(3,000-x)=256
.10x+240-.08x=256
.02x=256-240
.02x=16
x=16/.02
x=$800 amount invested @ 10%.
3,000-800=$2,200 amount invested @ 8%.
Proof:
.10*800+.08*2,200=256
80+176=256
256=256