Question 159499
.072x+.045(25,000-x)=1,525.95
.072x+1,125-.045x=1,525.95
.027x=1,525.95-1,125
.027x=400.95
x=400.95/.027
x=14,850 answer for amount invested @ 7.2%
25,000-14,850=10,150 invested @4.5%
Proof:
.072*14,850+.045*10,150=1,525.95
1,069.2+456.75=1,525.95
1,525.95=1,525.95