What is a percent?
Percents & Percent of Change

Flashcard
•
Mathematics
•
7th 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 percent of a number?
Back
To calculate a percent of a number, multiply the number by the percent (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.
3.
FLASHCARD QUESTION
Front
What is the formula for percent of change?
Back
Percent of change = ((New Value - Old Value) / Old Value) * 100.
4.
FLASHCARD QUESTION
Front
Find 250% of 25.
Back
62.5
5.
FLASHCARD QUESTION
Front
Find 72% of 325.
Back
234
6.
FLASHCARD QUESTION
Front
Find the percent of change from 48 to 36.
Back
25%.
7.
FLASHCARD QUESTION
Front
If 9 is 45% of what number, what is the number?
Back
20.
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