Question 98604
.14X+.13(20000-X)=2720.
.14X+2600-.13X=2720
.14X-.13X=2720-2600
.01X=120
X=120/.01
X=12000 ANSWER INVESTED @ 14%.
20000-12000=8000 INVESTED @ 13%.
PROOF
.14*12000+.13*8000=2720
1680+1040=2720
2720=2720