3.1-3.3 Flashcard Review
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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12 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate a percentage increase?
Back
Percentage Increase = (New Value - Original Value) / Original Value × 100
2.
FLASHCARD QUESTION
Front
If Ms. Palermo has 20 boxes of markers and buys 420% more, how do you calculate the total number of boxes?
Back
Total Boxes = Original Boxes + (Percentage Increase × Original Boxes) = 20 + (4.2 × 20) = 102 boxes.
3.
FLASHCARD QUESTION
Front
What is 200% of a number?
Back
200% of a number is double that number.
4.
FLASHCARD QUESTION
Front
How do you find 115% of a number?
Back
Multiply the number by 1.15.
5.
FLASHCARD QUESTION
Front
What is the formula to calculate the percentage of a part compared to a whole?
Back
Percentage = (Part / Whole) × 100
6.
FLASHCARD QUESTION
Front
In a group of 220 participants, if 121 are female, how do you find the percentage of females?
Back
Percentage of Females = (121 / 220) × 100 = 55%.
7.
FLASHCARD QUESTION
Front
What is the formula to calculate the discount price?
Back
Discount Price = Original Price - (Discount Rate × Original Price)
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