Assuming that the 10 % stated is per year, the investment will earn 0.10 X 20000 = 2000 per year. The years required to earn 4000 will be 4000/2000 = 2.
4000.
2,400
215
20, assuming annual compound interest, 24 if simple interest.
4000 x (1.0610) = $7163.39
4000.
4000
1 year
4000 !
2,400
1200 rate*money invested*interest(divided by a 100) 5*4000*.06=1200
4000
215
$2400
4000 + 600(15%) = 4600
an investmntment of 4000 is made at an annual simple interest rate of 8%. How much additional money must be invested at 12% so that the total interest earned is 1640?
20, assuming annual compound interest, 24 if simple interest.