Question 749438
.06x+.05(9000-x)=510
.06x+450-.05x=510
.01x=510-450
.01x=60
x=60/.01
x=$6,000 invested @ 6%.
9,000-6,000=$3,000 invested @ 5%.
Proof:
.06*6,000+.05*3,000=510
360+150=510
510=510