Question 739621
.089X+.066(3,000-X)=221
.089X+198-.066X=221
.023X=221-198
.023X=23
X=23/.023
X=$1,000 INVESTED @ 8.9%.
3,000-1,000=2,000 INVESTED @ 6.6$
PROOF:
.089*1,000+.066*2,000=221
89+132=221
221=221