Question 209325
.09X+.075(18,000-X)=1,560
.09X+1,350-.075X=1,560
.015X=1,560-1,350
.015X=210
X=210/.015
X=$14,000 INVESTED @ 9%.
18,000-14,000=$4,000 INVESTED @ 7.5%
PROOF:
.09*14,000+.075*4,000=1,560
1,260+300=1,560
1,560=1,560