What is a ratio?
7.NS.3

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A ratio is a relationship between two numbers that shows how many times the first number contains the second. It is often expressed as 'a:b'.
2.
FLASHCARD QUESTION
Front
How do you find the total number of items in a ratio?
Back
To find the total number of items in a ratio, add the parts of the ratio together and then multiply by the number of times the ratio fits into the total.
3.
FLASHCARD QUESTION
Front
If a bag contains red and blue marbles in the ratio 4:5 and there are 36 marbles in total, how many are red?
Back
16
4.
FLASHCARD QUESTION
Front
What is fuel efficiency?
Back
Fuel efficiency is a measure of how far a vehicle can travel per unit of fuel consumed, typically expressed in miles per gallon (mpg).
5.
FLASHCARD QUESTION
Front
How do you calculate fuel efficiency?
Back
Fuel efficiency is calculated by dividing the distance traveled by the amount of fuel used.
6.
FLASHCARD QUESTION
Front
If a car travels 150 miles using 5 gallons of gas, what is the car's fuel efficiency?
Back
25 miles per gallon.
7.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
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