Percent Change/Error Simple Interest
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is percent error?
Back
Percent error is a measure of how inaccurate a measurement is, expressed as a percentage of the difference between the estimated value and the actual value.
2.
FLASHCARD QUESTION
Front
How do you calculate percent error?
Back
Percent Error = |(Estimated Value - Actual Value)| / Actual Value × 100%.
3.
FLASHCARD QUESTION
Front
If you estimate 200 people attended an event and the actual attendance is 240, what is the percent error?
Back
17%.
4.
FLASHCARD QUESTION
Front
What is percent change?
Back
Percent change is a measure of how much a quantity has increased or decreased relative to its original value, expressed as a percentage.
5.
FLASHCARD QUESTION
Front
How do you calculate percent change?
Back
Percent Change = (New Value - Original Value) / Original Value × 100%.
6.
FLASHCARD QUESTION
Front
If the original cost of an item is $5 and the new cost is $1, what is the percent change?
Back
Decrease 80%.
7.
FLASHCARD QUESTION
Front
What does the 'P' in the simple interest formula I=Prt represent?
Back
The 'P' represents the principal, which is the amount of money borrowed or deposited.
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