What is a percent?
percents!!

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.
2.
FLASHCARD QUESTION
Front
How do you calculate a percentage of a number?
Back
To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.
3.
FLASHCARD QUESTION
Front
What is the formula to find the original price before a discount?
Back
Original Price = Sale Price / (1 - Discount Rate). For example, if the sale price is $80 and the discount is 20%, the original price is $80 / (1 - 0.20) = $100.
4.
FLASHCARD QUESTION
Front
If 34% of a number is 51, how do you find the number?
Back
To find the number, divide 51 by 0.34. The number is 151.
5.
FLASHCARD QUESTION
Front
What is the percent grade if a student scores 60 out of 75?
Back
Percent Grade = (Score / Total Points) * 100. Here, (60 / 75) * 100 = 80%.
6.
FLASHCARD QUESTION
Front
How do you find the sale price after a discount?
Back
Sale Price = Original Price - (Original Price * Discount Rate). For example, if the original price is $800 and the discount is 24%, the sale price is $800 - ($800 * 0.24) = $608.
7.
FLASHCARD QUESTION
Front
What does it mean to have a 20% off sale?
Back
A 20% off sale means that the price of an item is reduced by 20% of its original price.
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