Simple and Compound

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

Tags

CCSS.7.RP.A.3

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

Tags

CCSS.7.RP.A.3

CCSS.7.NS.A.3

Beyonce went to the mall and saw a massage chair that she would have to take a loan out for $6500 to purchase.  The bank said that she could get a simple interest rate of 8% for 5 years.  What is the total amount that Beyonce will pay for the chair?

• $2600
• $910
• $9100
• $260

Tags

CCSS.HSF.BF.A.2

Anna invested $2,500 at an annual rate of 5%.  How long will it take until Anna earns $1,125 in interest?

• 5 years
• 8 years
• 10 years
• 9 years

Tags

CCSS.7.RP.A.3

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

Kennedy won $3,000 from a radio contest. If she puts this money in a bank account that earns 2.9% interest compounded quarterly, how much total will she earn in 10 years?

• $4915.59
• $3933.28
• $2979.81
• $4005.09

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.2

David invests $10,000 in a savings account that pays 3.5% simple interest. If David makes no withdrawals or deposits to the account, how much will be in the account after 7 years.

• $2450

• $11,750

• $12,450

• Not Here

Tags

CCSS.7.RP.A.3

You invested $1,900 at 4% interest compounded annually for 3 years.  How much interest did you earn in 3 years?

• $2,372.40
• $237.24
• $2,137.24
• $3,197.60

Tags

CCSS.HSF.BF.A.2

You take out a loan for $175,000. Which option will cost you less?

A) Simple Interest rate of 4.17% over 15 years

B) Compound Interest rate of 3.5% over 15 years

• Option A

• Option B

• they are both equal

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

Find the Mean Absolute Deviation: 10, 9, 3, 8, 10.

• 8

• 5

• 1

• 2