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Equations
Percent of Change
Tax & Tip
Discounts
Combine Like Terms + Distributive Property
100

Solve:  -12 = h/5

What is h = -60

100
Find the percent of change and then state whether it was an increase or decrease: From $500 to $100
20% decrease
100

Sales tax is  _____________ to the purchase price.

Sales tax is added to the purchase price.

100

Discount is the amount the original price is __________.

Discount is the amount the original price is reduced.

100

3(x + 2) + 6

3x + 12

200

Solve 7 = s - 7

What is s = 14

200
Find the percent of change and then state whether it was an increase or decrease: From 644 gallons to 588 gallons
9% Decrease
200

Find the total price of a video game that costs $60.00 with a 10% sales tax rate.

$66

200

Find the discount and the total price of a jacket that originally costs $100, but is now 25% off

*25$ Discount *New Price - $75

200

4(x - 6) + 3x

7x - 24

300

3/8h + 27 = 11

What is h = -128/3

300
The discount for a high-definition television on Black Friday was 25%. On Black Friday, the television was $400. Unfortunately, Black Friday is over and the discount was removed. Find the original price of the television.
$500
300
At Garden Buffet, you are required to pay a 5% tip. If a family meal of 4 people cost $20.00, not including tax, what is the required payment including the 5% tip?
$21.00
300
The original price of a box of cookies is $3.80. What is the new price of the box of cookies if there is a 15% discount?
$3.23
300

3(4x -8) + 2(x -2)

8x -28

400

Solve -5 + 1/9k = -21

What is k = -144?

400

Find the percent of change and then state whether it was an increase or decrease: From 72 miles to 119 miles

65.3% increase

400

If the sales tax rate is 7.375% in New York State, then how much sales tax would you pay in Albany for a $34 pair of pants?

What is $2.51?

400
Find the price of a basketball net that was originally $69.50, but is currently on sale for 20%
$55.60
400

4(2x - 5) + 4x - 7

12x - 27

500

Solve:  -15 -26a = 20

What is a = -35/26?

500
Find the sales tax on a sweatshirt that costs $22.95 with a 7% sales tax rate.
$1.61 sales tax
500
The sales tax for a flashlight that costs $15.00 is 3%. What is the total cost?
$15.45
500

Jack and Jill went to see "Deja Vu" at AMC Theaters. However, at their last visit, they received a coupon that entitled them to a 25% discount on their next purchases. If each of their tickets cost $8.00, what is the total price after their discount? *Hint* Two Procedures are Required

$12.00

500

3(3x + 4y - 6) + 3xy - 12y

9x - 18 + 3xy