What is a ratio?
Ratios & Proportions

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.
2.
FLASHCARD QUESTION
Front
How do you simplify a ratio?
Back
To simplify a ratio, divide both terms by their greatest common divisor (GCD).
3.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
4.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply the terms and set the products equal to each other.
5.
FLASHCARD QUESTION
Front
What is the ratio of 4 birds to 6 snakes?
Back
The ratio of birds to snakes is 4:6, which simplifies to 2:3.
6.
FLASHCARD QUESTION
Front
If 5 cups of flour make 3 pies, how many cups are needed for 1 pie?
Back
You need approximately 1.67 cups of flour to make 1 pie.
7.
FLASHCARD QUESTION
Front
If there are 2 cats and 5 dogs, what is the ratio of cats to dogs?
Back
The ratio of cats to dogs is 2:5.
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