Chapter 3:Ratio and Proportion, 3.1:Problems of Ratio and Equivalence

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Last updated 3:34 PM on 9/20/26
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13 Terms

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What is a ratio?
A comparison of two or more quantities
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How are ratios written?
Using a colon
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How do you simplify a ratio?
Divide every part by the same common factor
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What are equivalent ratios?
Ratios that have the same relationship between their quantities
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How do you create an equivalent ratio?
Multiply or divide every part by the same non-zero number
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Does the order of a ratio matter?
Yes
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How can a ratio be written as a fraction?
A ratio a:b can be written as a/b when comparing the first part to the second
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How do you find the total number of parts in a ratio?
Add all the ratio parts together
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How do you share an amount in a ratio?
Find the total parts
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What is a scale factor in a ratio?
The number used to multiply or divide every part of a ratio
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What must you do before forming a ratio with different units?
Convert the quantities to the same units
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Why must the same multiplier be used for every part of a ratio?
To keep the ratio equivalent
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Do ratios have to represent actual amounts?
No