Financial Math: Simple Interest

Find the simple interest after two years.

Principal= $2500

Annual rate of interest= 8%

Interest= ?

(a)  

Find the total amount after five years.

Principal= $1,000

Annual rate of interest= 7.5%

Total with Interest= ?

(a)  

Find the annual percentage rate if the period of time is five years.

Principal= $1,000

Annual rate of interest= ?

Total with Interest= $2,250

(a)  

Natalie deposits $300 into an account that pays simple interest at a rate of 6% per year. How much interest will she be paid in the first 5 years? Drag and drop the principal, rate, and time and interest earned.

$$I\ =\ P\cdot r\cdot t$$

Interest = ​ (​ (a)   ) x (​ (b)   ) x (​​ (c)   )=​ (d)  

Lexi borrowed $500 from a bank for 2 years and was charged simple interest. The total interest that she paid on the loan was $70. As a percentage, what was the annual interest rate of her loan?

Write your answer as a percentage, not the decimal equivalent.