Question 198242
.08x+.09(9,000-x)=770
.08x+810-.09x=770
-.01x=770-810
.01x=-40
x=-40/-.01
x=$4,000 amount invested @ 8%.
9,000-4,000=5,000 amount invested @ 9%.
Proof:
.08*4,000+.09*5,000=770
320+450=770
770=770