Question 209968
.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 IS THE AMOUNT INVESTED @ 10%
70,000-60,000=$10,000 INVESTED @ 8%.
PROOF:
.10*60,000+.08*10,000=6,800
6,000+800=6,800
6,800=6,800