Brianna buys a $3200 refrigerator using an installment plan that requires 20% down and a 4.1% interest rate. How much is her down payment?

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.