Compound Interest 8.12D

Jay'den earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his account balance after 15 years?

• $827.52
• $831.10
• $839.45
• $846.80

The Arnold's took out a loan for $195,000 to purchase a home. At a 4.3% interest rate compounded annually, how much total will they have paid after 30 years?

• $412,749.79
• $529.305.61
• $689,546.99
• $640,891.53

Tags

CCSS.HSF-LE.A.1C

Change 6.75% to a decimal.

• 67.5
• .675
• 675
• .0675

Tags

CCSS.5.NBT.A.3

• $315,006
• $252,342
• $334,244
• $244,334

Bruno was given $2000 when he turned 3 years old.  His parents invested it at a 2% interest rate compounded annually.  No deposits or withdrawls were made.  Which expression can be used to determine how much money Bruno had in the account when he turned 16? 

• 2000(1+0.02)¹³
• 2000(1-0.02)¹³
• 2000(1+0.02)¹⁶
• 2000(1-0.02)¹⁶

Tags

CCSS.HSF.BF.A.2

Find the total amount in the account to the nearest cent if the interest is compounded annually. 
$2750 at 8% for 2 years

• $2200.00
• $3207.60
• $8910.00
• $2750

Tags

CCSS.HSF-LE.A.1C

A bank is offering 7% annual compound interest on a savings account.  If you deposit $1,500, how much interest will you earn in three years?

• $1837.56
• $337.56
• $30000
• $31500

John just opened a savings account and wants to maximize the amount of interest he earns. Which of the following actions enable him to earn MORE interest?

• selecting an account with a higher interest rate
• leaving his money in the account for a long period of time
• transferring money into his checking account each month
• higher interest rate AND leaving money in for a longer time

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

The compound interest formula is:

A = P(1 + r)^t

What does the A represent?

• The amount of interest earned.

• The amount of time that has passed.

• The total amount of money after a certain amount of time.

• The amount required to invest.