Question 125813
.15x+.14(10,000-x)=1,430
.15x+1,400-.14x=1,430
.01x=1430-1400
.01x=30
x=30/.01
x=3,000 invested @ 15%.
proof
.15*3,000+.14(10,000-3,000)=1,430
450+.14*7,000=1,430
450+980=1,430
1,430=1,430