Question 504656
.055m+.083(25000-m)=1571
55m+83(25000-m)=1571000
55m+2075000-83m=1571000
2075000-1571000=83m-55m=28m
28m=504000
m=18000
Jackie invested $18000 at 5.5% interest and $7000 at 8.3% interest..