Simple and Compound Interest 8.12D

The simple interest formula is I=Prt. The P represents the principle. The principle is ___________________.

• the amount of money borrowed or deposited

• the percent interest for his year

• the amount taxed

• the amount the bank owes you for being a customer at their bank

The rate is given as a percent (%).  Before using it in the simple interest formula, you must first convert it to a______.

• fraction
• decimal
• ratio
• dollar amount

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

What does the "I" in the interest formula stand for?

• Principal
• Interest
• Rate
• Time

What does the "r" in the interest formula stand for?

• Principal
• Interest
• rate
• time

The Arnold's took out a loan for a home. The amount was $195,000 at a 4% interest rate compounded annually, how much will they have paid after 360 months?

• $4,719,279,309

• $529,586.31

• $632,462.51

• $640,891.12

John deposited $2,000 into a savings account.  How much will John have in his account after 7 months at a yearly simple interest rate of 3.25%?

• $37.92

• $455
• $45,500

• $2037.92

Jared invests $10,000 in a savings account that pays 3% simple interest. How many years will it take for the account to grow to $12,700, if he makes no withdrawals or deposits?

• 7 years

• 12 years

• 9 years

• 22 years

Steve deposited $5,000 in a savings account that pays 4% interest compounded annually.

Which equation could be used to find the value of the account after 3 years?

• A = 5,000(1 + 4)³

• A = 5,000(1 + 0.04)³

• A = 5,000(1 + 0.4) x 3

• A = 5,000(0.04)³

Greg takes out a 4-year simple interest car loan for $15000 at a 3% interest rate. Is he does not make any payments, how much total money will he owe at the end of 4 years?

• $1800

• $18000

• $16800

• $33000