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Simple Interest and Percent Error

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Ms. Koven wants to know how many years it will take an investment of $1,500 to earn $300 in interest if the yearly interest rate is 5.5%. Identify the principal?

a)

1500

b)

300

c)

1200

2.

Ms. Koven wants to know how many years it will take an investment of $1,500 to earn $300 in interest if the yearly interest rate is 5.5%. Identify the correct equation.

a)

1,500 = (300) (.055) (T)

b)

300= (1500) (.55) (T)

c)

300= (1500) (.055) (T)

3.

Ms. Koven wants to know how many years it will take an investment of $1,500 to earn $300 in interest if the yearly interest rate is 5.5%. Solve.

a)

.36 years

b)

18.18 years

c)

3.6 years

d)

36 years

4.

A bank account with $800 earns simple interest at the rate of 4.5% each year. The interest is paid at the end of every month. How much interest will the account earn after 4 months? Identify the time.

a)

4 years

b)

4/12 years

c)

3/4 years

5.

1. A bank account with $800 earns simple interest at the rate of 4.5% each year. The interest is paid at the end of every month. How much interest will the account earn after 4 months? Identify the correct equation.

a)

I= (800)(.045) (4/12)

b)

I= (800) (.045) (4)

c)

I= (800) (4.5) (4)

d)

I= (800) (4.5) (4/12)

6.

1. A bank account with $800 earns simple interest at the rate of 4.5% each year. The interest is paid at the end of every month. How much interest will the account earn after 4 months? Solve.

a)

1,200

b)

12

c)

144

d)

14,400

7.

Colton took out a loan from the bank to purchase a car. If he borrowed $17,240 at a simple interest rate of 8.25%, how much total will he have paid after 5 years?

a)

$7,111.50

b)

$71,115

c)

$24,351.50

d)

$10,128.50

8.

Jonah earned $150.36 in interest on an account that earns 1.4% simple interest. If Jonah opened the account 12 years ago, what was the principal amount?

a)

$89.50

b)

$25.20

c)

$150.36

d)

$895

9.

Scott took out a 72 month loan for $35,000 to purchase a new boat. If Scott paid $8,925 in simple interest, what was the interest rate?

a)

.35%

b)

4.25%

c)

.0425%

d)

.0035%

10.

The veterinarian weighed Oliver’s new puppy, Boaz, on a broken scale. He weighed 36 pounds. However, Boaz actually weighs 34.5 pounds. What is the percent error?

a)

.043%

b)

4.3%

c)

104.3%

d)

1.04%