Percents
Mark Ups and Discounts
Circles
Expression and Equations
What is the Constant of Proportionality?
100
What percent of 60 is 15?
What is 25%
100
If an item costs $4.95, and the tax is 7.5%, what will the tax amount be?
What is $0.37
100

What is the circumference of a circle that has a radius of 3.5 m? Round your answer to the nearest hundredth. 

21.99 m

100

8(-10+5v)

-80+40v

100

3y = 9x

k = 3

200
64 is what percent of 80?
What is 80%
200
At a restaurant, if the bill total is $49.63, and you want to leave an 18% tip, how much tip will you leave?
What is $8.93
200

What is the area of a semicircle with a diameter of 26 cm?  Round your answer to the nearest whole number. 

265 square cm

200

−5x + 13 = −17

x = 6

200

2y = 48x

k = 24

300
4.5 is what percent of 150?
What is 3%
300
If an item costs $40, and is marked down 25%, how much will you save?
What is $10.00
300

What is the circumference of a circle with a diameter of 112cm?  Round your answer to the nearest tenth.

351.9 cm

300

-10(8+4v)+7v

-80-33v

300

96x = 12y

k = 8 

400
What is 12.5% of 400?
What is 50
400
If you buy an item for 25.84 and pay 8.75% tax, how much will you have to pay?
What is $28.10
400

What is the area of a circle with a diameter of 33.25 inches? Round your answer to the nearest tenth.

868.3 in

400

3p − 2 = −29

p = -9

400

12y = 144x 

k = 12

500
9 is what percent of 60?
What is 15%
500
If you buy an item for $54.68, and get a 22% discount, how much will you pay?
What is $$42.65
500

What is the area of a semicircle with a radius of 14ft? Round your answer to the nearest whole number. 

308 ft

500

−14r − 19 = 303

r = -23

500

91y = 26x

k = 2/7

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