What is the formula to calculate percentage decrease?
7th Grade Math Review

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•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Percentage Decrease = ((Original Value - New Value) / Original Value) * 100
2.
FLASHCARD QUESTION
Front
If a house sells for $250,000 and then for $210,000, what is the percentage decrease in price?
Back
16%
3.
FLASHCARD QUESTION
Front
What does it mean for two expressions to be equivalent?
Back
Two expressions are equivalent if they have the same value for all values of their variables.
4.
FLASHCARD QUESTION
Front
Simplify the expression: 6r - r + 8(15 - r) + 23 - 6.
Back
-3r + 137
5.
FLASHCARD QUESTION
Front
What is a graph?
Back
A graph is a visual representation of data that shows the relationship between different variables.
6.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a graph?
Back
The slope represents the rate of change between the two variables.
7.
FLASHCARD QUESTION
Front
In a cooking scenario, if chicken loses 10% of its weight, how do you calculate the original weight needed to achieve a desired cooked weight?
Back
Original Weight = Desired Weight / (1 - Percentage Loss)
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