What is a proportion?
Proportions

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A proportion is an equation that states that two ratios are equal.
2.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply the terms and then solve for the unknown.
3.
FLASHCARD QUESTION
Front
What is the ratio of boys to girls if there are 12 boys and 8 girls?
Back
The ratio is 3:2.
4.
FLASHCARD QUESTION
Front
If 1 pizza feeds 3 people, how many pizzas are needed for 36 people?
Back
12 pizzas.
5.
FLASHCARD QUESTION
Front
What is the relationship between ratios and proportions?
Back
Ratios compare two quantities, while proportions show that two ratios are equal.
6.
FLASHCARD QUESTION
Front
If a recipe calls for 1.5 cups of milk for every 3 cups of flour, how much milk is needed for 5 cups of flour?
Back
2.5 cups of milk.
7.
FLASHCARD QUESTION
Front
How do you find the total cost for a larger group if you know the cost for a smaller group?
Back
Use the unit rate from the smaller group to calculate the total cost for the larger group.
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