What is a proportion?
Solve Proportions 74B

Flashcard
•
Mathematics
•
7th - 8th Grade
•
Hard
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15 questions
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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 variable.
3.
FLASHCARD QUESTION
Front
If Ernesto can make 2 flags in 3 hours, how long will it take him to make 5 flags?
Back
7.5 hours
4.
FLASHCARD QUESTION
Front
What is the formula for finding the unit rate?
Back
Unit Rate = Total Quantity / Total Time.
5.
FLASHCARD QUESTION
Front
If a car travels 420 miles in 8 hours, what is its speed in miles per hour?
Back
Speed = Distance / Time = 420 miles / 8 hours = 52.5 miles per hour.
6.
FLASHCARD QUESTION
Front
What does it mean to scale a ratio?
Back
Scaling a ratio means to multiply both terms of the ratio by the same number to find equivalent ratios.
7.
FLASHCARD QUESTION
Front
If there are 5 ice cream cones for every 3 brownies, how many cones are there if 24 brownies are sold?
Back
40 ice cream cones.
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