Question 122002
.13*x+.10(60-x)=6.78
.13x+6-10x=6.78
.03x=6.78-6
.03x=.78
x=.78/.03
x=26 million invested @ 13%.
60-26=34 million invested with the insurance co. @10%.
proof
.13*26+.10*34=6.78
3.38+3.4=6.78
6.78=6.78