Compound Interest

Sachin invested $6000 for 2 years at 5% per annum compound interest. How many dollars did he have after two years?

$5000 is invested for 3 years at 4% per annum compound interest. How much money is there after 3 years?

Liz bought a car for $12,500. The car depreciated in value by 10% each year. How much was the car worth after 4 years?

Rajiv invested $20,000 at 7% per annum compound interest. After n years, the value of his investment had grown to $30,014.61. For how many years did he invest it?

Emma invested $x for 2 years, at a rate of 4.6% per year compound interest. After 2 years, the amount of money was $30,088.19. How much money did she invest?

Liam invested $6200 for 3 years in a savings account. He gets 2.5% compound interest for each year. How much money does he have after 3 years?

Paul bought a new car for $15,000. After one year, its value depreciated by 23%. Each year after, its value depreciated by 18%. After 3 years, what is the new value of Paul's car?

The population of a city increases by 5.2% each year. In 2014, the population is 1,478,880. What will the population be in 2017?

Felipe invested in a savings bond for 6 years and was paid compound interest at an annual rate of 3%. The total was $3582.16 after the 6 years. How much did he invest?

Determine the amount after 7 years if $9500 is compounded annually at 4%.