Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a...

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Percent Increase and Percent Decrease

Transcript of Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a...

Page 1: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Percent Increase and Percent Decrease

Page 2: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Percent of Change

A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Page 3: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Steps to Solve:

Page 4: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Example #1

•Problem: Last year, a school had 632 students. This year the school as 670 students. Find the percent of increase in the number of students.

•Solution:a)Find the amount of change.b)Place the values in the ratio.c)Divide.d)Move 2 places to the right (x100).

Page 5: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Example #2

•Problem: Find the percent markup for a car that a dealer buys for $10,590 and sells for $13,775.

•Solution:a)Find the amount of change.b)Place the values in the ratio.c)Divide.d)Move 2 places to the right (x100).

Page 6: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Example #3

•Problem: Find the percent of discount for a $74.99 tent that is on sale for $48.75.

•Solution:a)Find the amount of change.b)Place the values in the ratio.c)Divide.d)Move 2 places to the right (x100).

Page 7: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Example #4

•Problem: The number of students enrolled in a school has increased from 1,938 to 2,128. A student calculates the percent of increase. His work is shown. Explain the student’s mistake and find the correct answer.

Page 8: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Example #5

•Problem: A football player gained 1,200 yards last season and 900 yards this season. Find the percent of change. State whether the change is an increase or decrease.

Page 9: Percent Increase and Percent Decrease. Percent of Change A PERCENT OF CHANGE is the percent a quantity increases or decreases from its ORIGINAL amount.

Example #6

Problem: In a previous game the school’s star basketball player scored 25 points. In today’s game he scored 40 points. What was the percent of change in the player’s scoring? Is the change an increase or decrease?


Percent of Change Vocabulary percent of change percent of increase percent of decrease.

Percent of Change Vocabulary percent of change percent of increase percent of decrease.

2.7 Percent of Change

2.7 Percent of Change

Splash Screen. Then/Now You solved proportions. Find the percent of change. Solve problems involving percent of change.

Splash Screen. Then/Now You solved proportions. Find the percent of change. Solve problems involving percent of change.

NRC Generic Fundamentals Examination Question …D. Steam flow through the turbine decreases by 10 percent with no change in condenser vacuum. ANSWER: A. Redactions courtesy of Western

NRC Generic Fundamentals Examination Question …D. Steam flow through the turbine decreases by 10 percent with no change in condenser vacuum. ANSWER: A. Redactions courtesy of Western

Connecticut Housing Report · Decreases of 3.9 percent and 2.5 percent occurred in Hartford and New Haven Counties, respectively. Additionally in the first quarter, average sales

Connecticut Housing Report · Decreases of 3.9 percent and 2.5 percent occurred in Hartford and New Haven Counties, respectively. Additionally in the first quarter, average sales

Percent of Change Day 3

Percent of Change Day 3

GUAM GDP DECREASES 0.3 PERCENT IN 2018

GUAM GDP DECREASES 0.3 PERCENT IN 2018

2.7 – Percent of Change. Percent Change: Change = x _ Original 100.

2.7 – Percent of Change. Percent Change: Change = x _ Original 100.

Splash Screen. Then/Now I CAN find the percent of change and solve problems involving percent of change. Learning Target.

Splash Screen. Then/Now I CAN find the percent of change and solve problems involving percent of change. Learning Target.

Then/Now You solved proportions. (Lesson 2–6) Find the percent of change. Solve problems involving percent of change.

Then/Now You solved proportions. (Lesson 2–6) Find the percent of change. Solve problems involving percent of change.

Inverters. Inverter Functions Change DC to AC Change DC to AC Increases or decreases voltage from array voltage to: Increases or decreases voltage from.

Inverters. Inverter Functions Change DC to AC Change DC to AC Increases or decreases voltage from array voltage to: Increases or decreases voltage from.

State whether each percent of change is a percent of ......State whether each percent of change is a percent of increase or a percent of decrease . Then find the percent of change.

State whether each percent of change is a percent of ......State whether each percent of change is a percent of increase or a percent of decrease . Then find the percent of change.

Automatic Ar Plow Management — Decreases Agarbatti ......— Decreases Agarbatti Breakages *Design, Specifications & Figures are subject to change without notice or obligation. *The

Automatic Ar Plow Management — Decreases Agarbatti ......— Decreases Agarbatti Breakages *Design, Specifications & Figures are subject to change without notice or obligation. *The

Percent of Change SOL 8.3(b) A percent of change is a ratio that compares the change in quantity to the original amount.

Percent of Change SOL 8.3(b) A percent of change is a ratio that compares the change in quantity to the original amount.

Demographics, Education and Workforce in Texas...Top Counties for Percent Growth* in Texas, 2014-2015 U.S. Rank 2014-2015 Percent Population Change Percent Change from Migration Percent

Demographics, Education and Workforce in Texas...Top Counties for Percent Growth* in Texas, 2014-2015 U.S. Rank 2014-2015 Percent Population Change Percent Change from Migration Percent

A. Selected NIPA Tablesbea.gov/national/pdf/dpga.pdfTable 1.1.1. Percent Change From Preceding Period in Real Gross Domestic Product Table 1.1.2. Contributions to Percent Change [Percent]

A. Selected NIPA Tablesbea.gov/national/pdf/dpga.pdfTable 1.1.1. Percent Change From Preceding Period in Real Gross Domestic Product Table 1.1.2. Contributions to Percent Change [Percent]

mcpsflowers.files.wordpress.com  · Web view5/8/2016 · Change the following decimal to a percent. Write your answer in percent form. 0.07 _____ 10. Change the following percent

mcpsflowers.files.wordpress.com  · Web view5/8/2016 · Change the following decimal to a percent. Write your answer in percent form. 0.07 _____ 10. Change the following percent

Percent of Change: Chapter 7.5

Percent of Change: Chapter 7.5

What is Percent of Change?

What is Percent of Change?

Percent of Change Vocabulary

Percent of Change Vocabulary