Question 255130
.07X+.05(15,000-X)=880
.07X+750-.05X=880
.02X=880-750
.02X=130
X=130/.02
X-6,500 IS INVESTED @ 7%.
15,000-6,500=8,500 IS INVESTED @ 5%
PROOF:
.07*6,500+.05*8,500=880
455+425=880
880=880