percent of change. objective: to find the sale price of various items. to use the percent of change...

Percent of Change

Objective: To find the sale price of various items. To use the percent of change formula to find discount.

What is Percent of Change?Common Examples of

Percent of IncreaseCommon Examples of Percent

of Decrease

Sales tax on an item purchased

Items that are on sale at a store

Finding a total bill at a restaurant including tip

Population decreases

Percent of Change

• Percent of Change: the amount, stated as a percent, that a number increases or decreases.

• Percent of Increase: The amount, stated as a percent, that a number goes up.

• Percent of Decrease: The amount, stated as a percent, that a number goes down.

then,

To Calculate Tax + isPercent of ChangeSales result in a percent of

decrease!

Percent of ChangeSale tax results in a percent of increase! + of

Percent of IncreaseHow much did the price go up after taxes?

The regular price of an IPhone at the Apple store is $550. This week it is on sale for 25% off. What is the amount of the discount? Add tax. What is the total price with tax? What would the sale be if the price was $495.00 after the sale without tax?

Item 1 $199.96

Item 5 $349.86Item 4 $369.99

Item 2 $69.58

Item 6 $249.59

Item 3 $99.99

Item 25% off + tax 45% off + tax 80% off + tax Sale for $30.00 offWhat is the percent?

What is the new cost with tax?(2pnts) (5 pnts) (5 pnts) (5 pnts) (5 pnts)

(2pnts) (5 pnts) (5 pnts) (5 pnts) (5 pnts)

(2pnts) (5 pnts) (5 pnts) (5 pnts) (5 pnts)

(2pnts) (5 pnts) (5 pnts) (5 pnts) (5 pnts)

(2pnts) (5 pnts) (5 pnts) (5 pnts) (5 pnts)

(2pnts) (5 pnts) (5 pnts) (5 pnts) (5 pnts)

You have $2000.00 to spend on Black Friday. Buy as many items as you can so that after taxes are added, you have > $10.00 in change. Name, copy, paste and total the items you bought without tax. (20 pnts) Calculate your total with 7.75% sales tax. (20 pnts)What is your change? (10 pnts)Show ALL your work!!! (20 pnts)Download the template to create a PowerPoint with completed calculated answers, items, total of purchase (with and without tax) totaling within $10 of your $2000 limit, and your change. Save and print your final project to share with the class. (50 pnts)

Score: ________ /250 pnts

Item 25% off + tax 45% off + tax 80% off + tax Sale for $30.00 offWhat is the percent?

What is the new cost with tax?