percent of change. percent of change it’s the ratio of the change in an amount to the original...

17
PERCENT OF CHANGE

Upload: noah-shelton

Post on 31-Dec-2015

223 views

Category:

Documents


3 download

TRANSCRIPT

Page 1: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

PERCENT OF CHANGE

Page 2: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Percent of Change

• It’s the ratio of the change in an amount to the original amount

Page 3: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Percent of Increase

•New number is bigger than the original

Page 4: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Percent of Decrease

•New number is smaller than the original

Page 5: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Determine the percent of change:

• Original: 20• Final: 28

Page 6: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Determine the percent of change:

• Original: 25• Final: 16

Page 7: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Determine the percent of change:

• Original: 25• Final: 16

Page 8: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Determine the percent of change:

• Original: 62• Final: 80

Page 9: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Determine the percent of change:

• Original: 100• Final: 72

Page 10: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

A pair of shoes were originally priced at $52. They are on sale for $30. What is the percent of decrease?

Page 11: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

The wholesale price for a coat is $65. The JiffyStore sells it for $120. What is the percent of increase?

Page 12: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

The total number of passengers on cruise ships decreased 20% after the ship was stalled at sea. If there were 18.45 million before the incident, how many were there after it?

Page 13: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Mary bought a shirt for $35.99. If the tax is 7%, find the final cost of the shirt.

Page 14: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Dan bought a new fishing pole. The original price was $85. It is on sale with a 20% discount. What is the discounted price?

Page 15: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

A pair of jeans were $86.25. What is the final cost if the tax is 6.5%?

Page 16: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

There is a 30% discount on shoes. If a pair of shoes was originally $65.78, find the discounted price.

Page 17: PERCENT OF CHANGE. Percent of Change It’s the ratio of the change in an amount to the original amount

Homework• Worksheet