Like many college students, Elaine applied for and got a credit card that has an annual percentage rate (APR) of 15%. The first thing she did was buy a new HD Television for $350. At the end of the month, her credit card statement said she only needed to make a minimum monthly payment of $10. Assume Elaine makes her payment when she sees her statement at the end of each month. If Elaine doesn't charge anything else and only makes the minimum monthly payments, approximately how many months would it take her to completely pay off the HD Television

Quick calculate the roi dollar amount and percentage for these example investments. a. you invest $50 in a government bond that says you can redeem it a year later for $55. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage. b. you invest $200 in stocks and sell them one year later for $230. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage.