Question 312217
.10x+.08(70,000-x)=6,800
.10x+5,600-.08x=6,800
.02x=6,800-5,600
.02x=1,200
x=1,200/.02
x=$60,000 amount invested @ 10%.
Proof:
.10*60,000+.08(70,000-60,000)=6,800
6,000+.08*10,000=6,800
6,000+800=6,800
6,800=6,800