Question 280404
.05*4x+.06x=520
.20x+.06x=520
.26x=520
x=520/.26
x=520/.26
x=$2,000 invested @ 6%
4*2,000=$8,000 invested @ 5%
Proof:
.05*8,000+.06*2,000=520
400+120=520
520=520