What is a ratio?
Proportions and ratios, oh my!

Flashcard
•
Mathematics
•
7th - 8th 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, 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 determine if two ratios form a proportion?
Back
Two ratios form a proportion if the cross products are equal.
4.
FLASHCARD QUESTION
Front
If 190 people fit in 3 buses, how many people fit in one bus?
Back
63.33 people per bus.
5.
FLASHCARD QUESTION
Front
If 570 people need to be transported and each bus carries 63.33 people, how many buses are needed?
Back
9 buses.
6.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant ratio between two proportional quantities.
7.
FLASHCARD QUESTION
Front
If 13 out of 20 homes have a personal computer, what is the ratio of homes with computers to total homes?
Back
The ratio is 13:20.
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