Week #3 Lesson #3:Finding Percent Increase or Decrease
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•
Mathematics
•
7th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is percent increase?
Back
Percent increase is a measure of how much a quantity has grown compared to its original amount, expressed as a percentage.
2.
FLASHCARD QUESTION
Front
What is percent decrease?
Back
Percent decrease is a measure of how much a quantity has shrunk compared to its original amount, expressed as a percentage.
3.
FLASHCARD QUESTION
Front
How do you calculate percent change?
Back
Percent change = (New Value - Old Value) / Old Value × 100%.
4.
FLASHCARD QUESTION
Front
If a store's price increases from $20 to $23, what is the percent increase?
Back
15% increase.
5.
FLASHCARD QUESTION
Front
If attendance at a festival increased from 2,376 to 2,950, what is the percent change?
Back
24% increase.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating percent decrease?
Back
Percent decrease = (Old Value - New Value) / Old Value × 100%.
7.
FLASHCARD QUESTION
Front
If a bike is bought for $550 and sold for $680, what is the percentage profit?
Back
23.6% profit.
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