What is the formula to calculate the height of a vertical jump as a percentage of a person's height?
Topic 3 Review

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Height of jump = (Percentage of height) * (Actual height) / 100
2.
FLASHCARD QUESTION
Front
If Dagne can jump 97.5 inches and this is 195% of her height, how do you find her height?
Back
Height = Jump height / (Percentage of height / 100) = 97.5 / 1.95 = 50 inches.
3.
FLASHCARD QUESTION
Front
What is percent error and how is it calculated?
Back
Percent error = |(Estimated value - Actual value)| / |Actual value| * 100%.
4.
FLASHCARD QUESTION
Front
If Jocelyn estimates a wood piece at 7.2 cm and it actually measures 6.5 cm, what is the percent error?
Back
Percent error = |(7.2 - 6.5)| / |6.5| * 100% = 10.77%.
5.
FLASHCARD QUESTION
Front
What does a discount of 40% mean in terms of price reduction?
Back
A discount of 40% means the price is reduced by 40% of the original price.
6.
FLASHCARD QUESTION
Front
How do you calculate the sale price after a discount?
Back
Sale price = Original price - (Discount percentage * Original price).
7.
FLASHCARD QUESTION
Front
If a video game costs $36.80 and is 40% off, how much do you pay?
Back
Sale price = $36.80 - (0.40 * $36.80) = $22.08.
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