Nikita invest 2000 into a bank account with a 4% annual interest rate. in seven years which is the most expensive item she can afford to buy a) 2,700. b) 2,500 c) 2,200 d) 3,000

The correct option will be:  B) 2,500

Step-by-step explanation:

Nikita invest 2000 into a bank account with a 4% annual interest rate.

So, the amount of interest in one year will be:  

and the amount of interest in 7 years will be:

Thus, the total money in her account after 7 years

So, the most expensive item she can afford to buy will be:  2500

(a) the volume of the cone is 20/3 in3

hence, option a is correct.