What is a ratio?
Rates, Ratios, and Proportions

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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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
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
3.
FLASHCARD QUESTION
Front
How do you calculate the cost per pound?
Back
To calculate the cost per pound, divide the total cost of the item by its weight in pounds.
4.
FLASHCARD QUESTION
Front
What is the cost per pound of an 8-lb bag that costs $9.88?
Back
$1.23 per pound (calculated as $9.88 ÷ 8).
5.
FLASHCARD QUESTION
Front
What is the cost per pound of a 20-lb bag that costs $23.44?
Back
$1.17 per pound (calculated as $23.44 ÷ 20).
6.
FLASHCARD QUESTION
Front
What is the cost per pound of a 40-lb bag that costs $49.00?
Back
$1.23 per pound (calculated as $49.00 ÷ 40).
7.
FLASHCARD QUESTION
Front
What does it mean for ratios to be equivalent?
Back
Ratios are equivalent if they represent the same relationship between quantities.
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