Question 261635
.09X+.06(113,000-X)=8,550
.09X+6,780-.06X=8,550
.03X=8,550-6,780
.03X=1,770
X=1,770/.03
X=59,000 ANS. FOR THE AMOUNT INVESTED @ 9%.
113,000-59,000=54,000
.09*59,000+.06*54,000=8,550
5,310+3,240=8,550
8,550=8,550