Math 8 Quiz 2.3: Percent Change & Taxes & Discounts

Find the percent change from 28 to 42.

• 50% decrease

• 50% increase

• 33% decrease

• 33% increase

Find each percent decrease. Round to the nearest percent.
From $80 to $64 

• 35%
• 10%
• 20%
• 25%

Find the PERCENT of change.
20 dogs to 5 dogs

• Decrease 15%
• Increase 15%
• Increase 75%
• Decrease 75%

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

Find the percent change.
Original amount:  10
New amount: 12

• 20%
• 12%
• 15%
• 50%

Find the percent of change.

From 24 teachers to 30 teachers.

• 25% decrease

• 25% increase

• 20% decrease

• 20% increase

A McDonald's cheeseburger cost $0.79 in 1999. Today a cheeseburger costs $1.00. What is the percent change?

• 21% increase

• 26.58% increase

• 26.58% decrease

• 21% decrease

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

• Increase 50%
• Decrease 50%
• Increase 1%
• Decrease 1%

The amount of time allowed for a test is changed from 20 minutes to 42 minutes.

(a)