Question 352026
.14X+.09(30,000-X)>3,000
.14X+2,700-.08X>3,000
.06X>3,000-2,700
.06X>300
X>300/.06
X>5,000 AMOUNT INVESTED @ 14%.
30,000-5,000=25,000 AMOUNT INVESTED @ 9%.
PROOF:
LET THE 9% INVESTMENT BE $24,999 & THE INVESTMENT @ 14% BE 5,001.
.14*5,001+.09*24,999>3,000
700.14+2,249.91>3.000
2950.05<3,000 SHOWS THAT $1 LESS INVESTED @ 9% RESULTS IN LESS THAN $3,000 IN INTEREST.