College Prep Math Review
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate speed?
Back
Speed = Distance ÷ Time
2.
FLASHCARD QUESTION
Front
How do you calculate 25% of a number?
Back
Multiply the number by 0.25 or divide the number by 4.
3.
FLASHCARD QUESTION
Front
What is a ratio?
Back
A ratio is a comparison of two quantities, showing the relative sizes of two or more values.
4.
FLASHCARD QUESTION
Front
How do you express a ratio of 3 green marbles to 5 blue marbles?
Back
3:5 or 3 green to 5 blue.
5.
FLASHCARD QUESTION
Front
If a person works 22 hours and earns $341, what is their hourly wage?
Back
Hourly wage = Total earnings ÷ Hours worked = $341 ÷ 22.
6.
FLASHCARD QUESTION
Front
What does a 10% decrease in a quantity mean?
Back
It means reducing the quantity by one-tenth of its original amount.
7.
FLASHCARD QUESTION
Front
How do you find the total amount after a percentage decrease?
Back
Total amount = Original amount - (Percentage decrease × Original amount)
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