Suppose you deposited $100 in a savings account 4 years ago. The simple interest rate is 3.2%. The interest that you earned in those 4 years is $12.80. Which of the following is/are true?

r =12.80

t=4

p=100

I=3.2%

Suppose you deposited $100 in a savings account 4 years ago. The simple interest rate is 3.2%. The interest that you earned in those 4 years is $12.80. Which of the following is/are true?

r =12.80

t=4

p=100

I=3.2%