superdupercookid superdupercookid 22-01-2021 Mathematics contestada Suppose you deposited ​$300 in a savings account 21 months ago. The simple interest rate is 3.0% . The interest that you earned in those 21 months is ​$15.75. Which of the following​ is/are true?A. p=300B. t=3.0%C. I=15.75D. R=1 3/4