(5 points) At an interest rate of 10% it is better to have $100 today than $120 in 2 years.
(5 points) Megan wants to buy a designer handbag and plans to earn the money babysitting. Suppose the interest rate is 6% and she is willing to wait one year to purchase the bag. How much babysitting money (to the nearest whole dollar) will she need to earn today to buy the bag for $400 one year from now? (Enter just the number without the $ sign or a comma) Answer for Question 3
(10 points) Johnny and Darren both earn $100 working on their respective neighbors' big farms. Johnny puts his $100 in the piggy bank that his parents gave him to encourage him to save. Darren puts his money in a savings account his parents set up for him. The savings account pays 3% interest. They both take their money out after 5 years. How much more money does Darren have than Johnny?
(10 points) Don has just received a cash gift of $50,000 from his rich eccentric uncle. He wants to set it aside to pay for his daughter Cynthia’s college education. Cynthia will begin college in 10 years and Don’s financial advisor says that she can earn 7% interest on an investment in a special college fund. How much will Don have in the fund when Cynthia begins college? (Enter just the number without the $ sign or a comma; round to the nearest whole dollar.) Answer for Question 5
(10 points) Bridgette’s grandparents opened a savings account for her and placed $500 in the account. The account pays 3.5% interest. Bridgette wants to be a singer and she has her heart set on a new karaoke machine. The machine costs $150. How much less will the account be worth in 8 years if she buys the karaoke machine now versus leaving the account untouched? (Enter just the number without the...