Percentages Flashcards
What is a percentage?
A percentage is a fraction expressed as a part of 100.
True or False: 50% is the same as 0.5.
True.
If you have 80% of a number, what is the decimal equivalent?
0.8.
What is the formula to calculate a percentage of a number?
Percentage = (Part / Whole) x 100.
Fill in the blank: 25% is equivalent to ___ out of 100.
25.
What is 10% of 200?
20.
If a shirt costs $40 and is on sale for 25% off, what is the sale price?
$30.
True or False: To find 75% of a number, you can multiply the number by 0.75.
True.
What is the percentage increase if a value goes from 50 to 75?
50%.
If a student scored 18 out of 30 on a test, what is their percentage score?
60%.
What is the term for the original amount before a percentage change?
The base amount.
Fill in the blank: A decrease of 20% means you are left with ___% of the original amount.
80%.
How do you convert a fraction to a percentage?
Multiply the fraction by 100.
What is 15% of 300?
45.
True or False: A percentage can be greater than 100%.
True.
If a population increases from 200 to 250, what is the percentage increase?
25%.
What is the percentage of 5 out of 20?
25%.
Fill in the blank: The percentage change can be calculated using the formula: ((New Value - Old Value) / Old Value) x 100. If the old value is 80 and the new value is 100, the percentage change is ___%.
25%.
What is 200% of 50?
100.
If a product price increases by 10% and the original price was $150, what is the new price?
$165.
