7th Grade, Lesson 33: What is the percent change? How do we recognize mark-ups in word problems?
You CAN create a representation of a percent change and identify a percent increase or markup in a problem
Criteria for Success:
1. Identify the Original Amount (OA) and percent change in a word problem.
2. Use formula , ∆/OA, or percent change/original amount to calculate percent change.
3. Use ratio or to calculate percent change
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