percent change

A sweater is $43. It is on sale for 20% off. What is the final price?

• $47
• $34.40
• $23
• $8.60

28 is increased by 150%. What's the final number?

• 13
• 178
• 42
• 29.5

An Ipad that costs $500 is on sale for 15% off. Then has a 6% tax. What's the final price?

• $450.50
• $521
• $491
• $400

Dorian goes to his favorite store and sees a pair of sunglasses for $40.00, but he has a coupon for 10% off. After the discount, how much will he pay for his pair of shoes?

• $4.00
• $3.60
• $36.00
• $44.00

Mellie bought a $120 dollar fishing rod for 15% off.  How much did she pay after a 7% tax was added to the rod?

• $109.14
• $102
• $128.40
• $146.40

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 3

• x = 3y

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• y=14x