Writing Expressions
Sales Tax
Spiral Review
Simplifying and Evaluating Expressions
Percentages & Simple Interest
100

Mrs. McHenry buys a shirt worth c dollars and gets a 40% discount off the original price. Which expression could be used to calculate the total price.


A. 0.60c

B. 0.40c

C. 1.6c

D. c + 1.6c

What is A. 0.60c

100

The cost of a motel room is $97 per day. The room tax is 18%. How much will it cost to stay in the motel room for 3 days?

A. $114.46

B. $149.38

C. $291

D. $343.38

What is D. $343.38

100

Which decimal is equivalent to -4/5?


A. -4.5

B. 4.5

C. -0.80

D. 0.8.

What is C. -0.80

100

Simplify the following expression.


4x - 6(3x + 2)

What is - 14x -12

100

The price of a sweater is $25.50 If it is discounted 20%, what is the sales price of the sweater?

A. $24.43

B. $5.50

C. $5.10

d. $20.40

What is D. $20.40

200

Ms. Johnson buys math notebooks for all her students. The manager is giving her 30% off the original price. Which expression could be used to calculate the total price?

A. 0.30c

B. c - 0.30c

C. c - 0.30

D. 1.30c

What is B. c - 0.30c

200

If the price of a sweater is $24.99 without tax and $26.99 with tax, what is the tax rate to the nearest percent?

A. 9%

B. 8%

C. 7%

D. 6%

What is B. 8%

200

Jason took a history test today. He lost 3 points for each of the 5 questions he missed. Jason answered the bonus question correctly and received 7 points. How many points did Jason receive or lose overall?

What is -8

200

What is the value of -1/2 + (-6 1/4) - 3/4?


What is -7 1/2 or -7.5

200
Clarke borrows $2,000 on a 2 year loan with a yearly interest rate of 2.5%. How much money will Clarke have to repay at the end of year two?

A. $2000

B. $100

C. $2100

D. $50

What is C. $2100

300

John bought a shirt worth c dollars and got a discount of 8% on the original price. Which expression shows the total amount she paid?

A. c - 0.08

B. 0.08c

C. 0.92c

D. c - 8c

What is C. 0.92c

300

Amya is buying shoes. Her subtotal is $146.78. The sales tax is 9%. How much sales tax will Amya pay?

What is $13.21

300

What is 2/5 of 40?

What is 16

300

What is the coefficient when the expression is simplified?


4x - 6(3x + 2)

What is -14

300

Adam paid $450 for a ring. The original price of the ring was $570. What is the percent of decrease to the nearest percent?


A. 21%

B. 27%

C. 19%

D. 29%

What is A. 21%
400

Which expression matches the scenario below?


Sarah pays 8% sales tax.

A. x + 0.08x

B. 0.92x

C. x + 0.08

D. 1.08x

What is A. x + 0.08x

400
Micah went to lunch and bought 2 hamburgers for $5 each, a bag of fries for $3.50, and a Sprite for $1.75. If he had to pay 7% sales tax, what is the total cost of Micah's purchase?

A. $13.11

B. $15.32

C. $16.32

D. $10.97

What is C. $16.32
400

Jack earns $535 per week. Every week he has to pay $130 of expenses and utilities. After paying expenses and utilities, Jack deposits 2/3 of his remaining earnings into his savings account. How much money does he have left to spend after he pays his expenses and utilities and makes his savings account deposit?

What is $135

400

Simplify the following expression.

-2(x + 6) -(2x - 4)

What is -4x-8

400
Amanda works at an electronics store. She earns 5.5% commission on her monthly sales plus a base salary of $1500 per month. If she sells $4500 in electronics this month, what will her monthly pay be?

A. $4582.50

B. $1747.50

C. $247.50

D. $1582.50

What is B. $1747.50
500

Amanda purchases items at a 20% discount. What expression represents what she pays before tax and why?

A. 0.20x because x - 0.80x

B. 1.80x because x + 0.80x

C. 1.20x because x + 1.20x

D. 0.80x because x - 0.20x

What is D. 0.80x because x - 0.20x

500
Jace is going shopping at the mall. He buys a pair of shoes for $59. The sales tax is 7.5%. What is the total purchase cost?

What is $63.43

500

An equilateral triangle has a perimeter of 24x + 6. What is the length of each side?

A. 72x + 18

B. 24x + 2

C. 12x + 3

D. 8x + 2

What is D. 8x + 2

500

Solve the following expression for x = 2


6x + 12

What is 24

500

Jackson saved $50 a month for 1 3/4 years. He spent 1/3 of his earnings on new clothes. He spent 40% of his earnings on a new iPad. How much money did he spent on new clothes?

What is $350