Exploring Proportions and Percents

What is the original price of the shoes before the discount?

• $85

• $100

• $75

• $95

What does a percent represent in terms of a whole?

• A part out of 50

• A part out of 10

• A part out of 1000

• A part out of 100

How is the first ratio in the problem set up?

• 100 out of 20

• 85 out of 100

• 20 out of 85

• 20 out of 100

What does the denominator in our proportion represent?

• The total cost

• The discount percentage

• The new price after discount

• The amount saved

What variable is used to represent the unknown amount saved?

• Z

• Y

• X

• W

What mathematical operation is used to solve the proportion?

• Cross multiplication

• Addition

• Subtraction

• Division

What is the result of 20 multiplied by 85?

• 1800

• 1700

• 1600

• 1500

How do you solve for X after cross multiplying?

• Divide by 100

• Multiply by 100

• Subtract 100

• Add 100

How much money will you save if the shoes are 20% off?

• $17

• $15

• $20

• $10