Download presentation

Presentation is loading. Please wait.

Published byMarlee McKinnon Modified over 3 years ago

1
2.7 – Percent of Change

2
Percent Change: Change = x _ Original 100

3
Percent Change: Change = x _ Original 100 Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23

4
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100

5
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100 3 = x _ 20 100

6
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100 3 = x _ 20 100

7
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100 3 = x _ 20 100 20x =

8
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100 3 = x _ 20 100 20x = 300

9
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100 3 = x _ 20 100 20x = 300 20

10
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 20 New: 23 Change = x _ Original 100 3 = x _ 20 100 20x = 300 20 x = 15; New greater than Orig., so INC

11
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 25 New: 17

12
Ex. 1 Determine whether each percent of change is a percent of increase or decrease. Then find the percent of change. a) Original: 25 New: 17 Change = x _ Original 100 8 = x _ 25 100 25x = 800 25 x = 32; New less than Orig., so DEC

13
Ex. 2 Marta is purchasing wire and beads to make jewelry. Her merchandise is $28.62. If the tax is 7.25%, what is the total cost?

14
Total Cost = Price + Tax of Price

15
Ex. 2 Marta is purchasing wire and beads to make jewelry. Her merchandise is $28.62. If the tax is 7.25%, what is the total cost? Total Cost = Price + Tax of Price T = $28.62 + 7.25%($28.62)

16
Ex. 2 Marta is purchasing wire and beads to make jewelry. Her merchandise is $28.62. If the tax is 7.25%, what is the total cost? Total Cost = Price + Tax of Price T = $28.62 + 7.25%($28.62) T = 28.62 + 0.0725(28.62)

17
Ex. 2 Marta is purchasing wire and beads to make jewelry. Her merchandise is $28.62. If the tax is 7.25%, what is the total cost? Total Cost = Price + Tax of Price T = $28.62 + 7.25%($28.62) T = 28.62 + 0.0725(28.62) T = 28.62 + 2.07495

18
Ex. 2 Marta is purchasing wire and beads to make jewelry. Her merchandise is $28.62. If the tax is 7.25%, what is the total cost? Total Cost = Price + Tax of Price T = $28.62 + 7.25%($28.62) T = 28.62 + 0.0725(28.62) T = 28.62 + 2.07495 T = 30.69495

19
Ex. 2 Marta is purchasing wire and beads to make jewelry. Her merchandise is $28.62. If the tax is 7.25%, what is the total cost? Total Cost = Price + Tax of Price T = $28.62 + 7.25%($28.62) T = 28.62 + 0.0725(28.62) T = 28.62 + 2.07495 T = 30.69495 T = $30.69

20
Ex. 3 Marta is purchasing a pair of jeans. The jeans cost $85. If they are on sale for 20% off, what is the total cost?

21
Total Cost = Price – Discount of Price

22
Ex. 3 Marta is purchasing a pair of jeans. The jeans cost $85. If they are on sale for 20% off, what is the total cost? Total Cost = Price – Discount of Price T = $85 – 20%($85) T = 85 – 0.2(85) T = 85 – 17 T = 68 T = $68

Similar presentations

OK

Lesson 7 MI/Vocab percent of change percent of increase percent of decrease Find percents of increase and decrease. Solve problems involving percents of.

Lesson 7 MI/Vocab percent of change percent of increase percent of decrease Find percents of increase and decrease. Solve problems involving percents of.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on network switching device Ppt on diabetes mellitus treatment Ppt on nature of matter for class 6 Ppt on two point perspective house Ppt on global warming and greenhouse effect Ppt on grammar in english Ppt on media revolution ministries Ppt on online marketing concept Ppt on principles of peace building Ppt on cross-site scripting vulnerabilities