Favela's Simple interest

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

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

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

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

• Important
• Interest
• Internet
• Igloo

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

• $7.50
• $26.25
• $87.5
• $262.50

Calculate the interest. I = PRT,

Principal = $1000,

Rate = 6%,

Time = 2 years

• $100

• $120

• $180

• 1200

Calculate the interest.  I = PRT,
Principal = $10000,
Rate = 7%,
Time = 20 years

• 1400
• 1000
• 14000
• 14

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

• $800
• $1,000
• $1,200
• $1,500

Tags

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

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

• 4
• 8
• 12
• 16