Simple Interest

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 simple interest formula is I=Prt.  What does the t represent?

• Principle
• Interest
• Time
• Percent Rate

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.3

Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?

• $150
• $192
• $1350
• $1392

Tags

CCSS.7.RP.A.3

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4
• 8
• 12
• 16

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• 7.50
• 26.25
• 87.5
• 262.50

Principal = $800
Interest Rate = 3.5%
Time = 6 months
Find the interest earned.

• 14
• 140
• 168
• 16.80

Tags

CCSS.7.RP.A.3

Sam borrowed $4,500 for 2 years and had to pay $630 simple interest at the end of that time. What rate of interest did he pay?

• 6%
• 7%
• 8%
• 9%

You lend $240 to your friend.  He pays you back $270.  What interest rate did you charge your friend?

• 88%
• 20%
• 12.5%
• 10%

Beyonce went to the mall and saw a massage chair that she would have to take a loan out for $6,500 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