Question 211026
.04X+.03(12,000-X)=440
.04X+360-.03X=440
.01X=440-360
.01X=80
X=80/.01
X=8,000 AMOUNT INVESTED @ 4%.
12,000-8,000=4,000 AMOUNT INVESTED @ 3%.
PROOF:
.04*8,000+.03*4,000=440
320+120=440
440=440