2. if you want to have 1500000 at the end of 14 years and you know you can get 6% interest what amount do you need to invest?

3. If you invest 24000 each year for 15 years at 9 % interest, at the end of 15 years you will have?

4. if you invest 12000 each year for 17 years at 6 % interest at the end of 7 years you will have?