Percent of change Section 2-7.

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Presentation transcript:

Percent of change Section 2-7

Percent of Change The ratio of the change in an amount to the original amount expressed as a percent.

Percent of increase If the new number is greater than the original number, the percent of change is a percent of increase.

Percent of decrease If the new number is less than the original number, the percent of change is a percent of decrease.

Percent of change Determine whether each percent of change is a percent of increase or a percent of decrease. Original: 20 Final: 23

Percent of change Determine whether each percent of change is a percent of increase or a percent of decrease. Original: 25 Final: 17

Percent of change Determine whether each percent of change is a percent of increase or a percent of decrease. Original: 66 Final: 30

How are you doing with this? I understand this move on. I do not understand go over this again.

What is the percent of change? Original: 52 New: 37 Rank Responses 1 2 3 4 5 6 Other

What is the percent of change? Original: 21 New:15 Rank Responses 1 2 3 4 5 6 Other

Calculating Sales Tax My Wendy’s order is a Jr. bacon cheese burger and a large sweet tea. The Menu lists a Jr. bacon cheese burger at $0.99 and a large sweet tea is $1.00. Virginia has a sales tax of 6.5%, how much is my final order?

Example 2

Example 3

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Calculating Discount $95 15% off

Calculating Discount PS4 $399 10% off

Calculating Discount/Sales Tax Ford f150 $29,765 10% Discount 6.5% Sales Tax

Homework Page 121 1-13 #5 skip