Andrew received for his fifteenth birthday. He invested some of the money in an investment account and some of the money in a savings account. Both accounts accrue simple interest. The investment account has an interest of , while the savings account has an interest rate of .

At the end of the year, Andrew earned a total of in interest. How much money did he put in each account?

Peter wanted to buy a car and borrowed $2,500 from the bank at 5% simple interest per year. He was able to pay back the loan in one lump sum at six months. What was the total amount he paid the bank?

You really want to buy a car that costs $15,000 but you only have $5,000 saved. Rather than getting a bank loan, your parents offer to lend you the extra money but will require you to pay them back with 4.3% interest. How much will car cost in total after you have paid your parents back?

Ted works over the summer and makes $9 per hour. He works for 20 hours each week for 10 weeks. After paying 10% in taxes, he buys a bike for $500 and puts the rest of his money in the bank.

If Ted's bank pays 5% interest on the total sum once per year, and Ted doesn't add or remove anything from the account, how much money (rounded to the nearest cent) will Ted have in 5 years?

I have $100 in my bank. After one year, I have withdrawn a total of $20 and I still have $85 in the bank. What is the yearly interest rate of my bank account?

Dan took out a $1200 loan at a rate of 3% simple interest a year. What is the amount of interest accrued for one month?

A student puts in the bank every year for years. If the account has a simple interest rate of per year, how much money will the student have at the end of the first year?

If a student borrows $200,000 at an interest rate of 6% compounded annually, when she graduates in 4 years how much money will she owe? Round to the nearest dollar.

You invest $1000 in a bank that gives 5% interest every year on the money in your account. How much interest do you make in 3 years (to the nearest dollar)?

If a student borrows $200,000 at an interest rate of 6% compounded quarterly, when she graduates in 4 years how much money will she owe? Round to the nearest dollar.