MATH MODELS FINAL - 3ST SEMESTER

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years? I = prt (You have to add the principal to the interest)

• $150

• $192

• $1350

• $1392

Tags

CCSS.HSF.BF.A.2

Starting money = $350.

Interest rate = 2.5%

TIme = 3 years.

How much interest?

I = PRT

• $7.50

• $26.25

• $87.5

• $262.50

Tags

CCSS.7.RP.A.3

Principal = $800

Interest Rate = 3.5%

Time = 2 years

Find the interest earned.

I = PRT

• 56

• 140

• 168

• 16.80

Tags

CCSS.7.RP.A.3

Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that? Remember your time has to be in YEARS!! 6 months is half of a year or .5

I = PRT

• $120

• $144

• $1,200

• $1,440

Tags

CCSS.7.RP.A.3

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

I = PRT you need to add principal to the interest

• $270.75

• $745.75

• $2,707.50

• $846.80

Tags

CCSS.7.RP.A.3

Principal = $500

Interest rate =5%

Time = 5 years

What is the interest earned?

I = PRT

• 95

• 105

• 125

• 135

Tags

CCSS.7.RP.A.3

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

• Principal
• Interest
• rate
• time

Tags

CCSS.7.RP.A.3

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

• Principal
• Interest
• rate
• time

Tags

CCSS.7.RP.A.3

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

Tags

CCSS.7.RP.A.3

CCSS.7.EE.B.3

John put 14,000 Euros in an account at a simple interest rate of 1% per year. How much interest will he get after 12 years?

I = PRT

• 16,800 Euros

• 168,000 Euros

• 1,680 Euros

Tags

CCSS.HSA.CED.A.1