What is a percentage?
Percentages Review 2024

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.
2.
FLASHCARD QUESTION
Front
How do you calculate sales tax?
Back
To calculate sales tax, multiply the original price by the sales tax rate (as a decimal) and then add that amount to the original price.
3.
FLASHCARD QUESTION
Front
What is a tip and how is it calculated?
Back
A tip is a small amount of money given to someone for their service. It is usually calculated as a percentage of the total bill.
4.
FLASHCARD QUESTION
Front
How do you find the total cost after tax and tip?
Back
Add the original price to the sales tax amount and the tip amount to find the total cost.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating percent error?
Back
Percent Error = |(Estimated Value - Actual Value)| / Actual Value x 100%.
6.
FLASHCARD QUESTION
Front
If an item costs $100 and has a sales tax of 8%, what is the total cost?
Back
Total Cost = $100 + ($100 x 0.08) = $108.
7.
FLASHCARD QUESTION
Front
If a dress costs $24 and the total paid is $25.92, what is the tax rate?
Back
Tax Rate = (Total Paid - Original Price) / Original Price x 100% = ($25.92 - $24) / $24 x 100% = 8%.
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