Question 84480
.04*X+.0225(33000-X)=970
.04X+742.5-.0225X=970
.015X=970-742.5
.0175X=227.5
X=227.5/.0175
X= 13000 INVWSTED @ 4%
33000-13000=20000 INVESTED @ 2.5%
PROOF
.04*13000+.0225*20000=970
520+450=970
970=970