Question 711771
.06X+.04(2400-X)=116
.06X+96-.04X=116
.02X=116-96
.02X=20
X=20/.02
X=$1,000 INVESTED @ 6%
2400-1000=1400 INVESTED @ 4%.
PROOF:
.06*1000+.04*1400=116
60+56=116
116=116