Question 123698
.072X=.06(X+2000)
.072X=.06X+120
.072X-.06X=120
.012X=120
X=120/.012
X=$10,000 AMOUNT INVESTED @ 7.2%
.072*10,000=$720 INTEREST FOR THE 7.2% INVESTMENT.
.06(10,000+2,000)=.06*12,000=$720 INTEREST FOR THE 6% INTEREST.
720+720=$1,440 TOTAL INTEREST.