9-21 Warm-Up

Paul deposits $4000 in a bank which pays a compound interest rate of 4% per year. How much will he have in 5 years.

What type of interest is this?

• Simple

• Compound

Tags

CCSS.HSF-LE.A.1C

Paul deposits $4000 in a bank which pays a compound interest rate of 4% per year. How much will he have in 5 years.

What formula(s) should you use to solve this?

Select all that apply.

• A = P(1+r)^t

• I = Prt

• P + I = A

• a² + b² = c²

Paul deposits $4000 in a bank which pays a compound interest rate of 5% per year. How much will he have in 7 years?

What is the question asking for?

• Principal

• Interest

• Amount Accumulated

• Time

Jamie took out a 2-year loan for $2000 from a bank. The bank charges simple interest at 7% per year. What is the the total amount of money that Jamie will have to pay back?

What kind of interest is this?

• Simple

• Compound

Tags

CCSS.7.RP.A.3

Jamie took out a 2-year loan for $2000 from a bank. The bank charges simple interest at 7% per year. What is the the total amount of money that Jamie will have to pay back?

What formula(s) should you use to solve this?

Select all that apply.

• A = P(1+r)^t

• I = Prt

• P + I = A

• a² + b² = c²

Tags

CCSS.HSF.BF.A.2

Jamie took out a 2-year loan for $2000 from a bank. The bank charges simple interest at 7% per year. What is the the total amount of money that Jamie will have to pay back?

What is the question asking for?

• Principal

• Interest

• Amount Accumulated

• Time

Tags

CCSS.7.RP.A.3

Find the simple interest earned when the principal is $500 at a rate of 10% held in the bank for 8 months.

What type of interest is this?

• Simple

• Compound

Tags

CCSS.7.RP.A.3

Find the simple interest earned when the principal is $500 at a rate of 10% held in the bank for 8 months.

What formula(s) should you use to solve this?

Select all that apply.

• A = P(1+r)^t

• I = Prt

• P + I = A

• a² + b² = c²

Tags

CCSS.HSF.BF.A.2

Find the simple interest earned when the principal is $500 at a rate of 10% held in the bank for 8 months.

What is the question asking for?

• Principal

• Interest

• Amount Accumulated

• Time

Tags

CCSS.7.RP.A.3

Melissa deposited $5,000 into an account that earns 6% compound interest. How much interest will she earn over the course of 7 years?

What kind of interest is this?

• Simple

• Compound