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3.7: Equations with Ratios and Proportions

Difficulty Level: Basic Created by: CK-12
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Vocabulary

cross products or cross multiplication

cross products or cross multiplication

If \frac{a}{b} = \frac{c}{d}, then ad=bc.
extremes

extremes

and Means: The values of a and d are called the extremes of the proportion and the values of b and c are called the means.
proportion

proportion

A statement in which two fractions are equal: \frac{a}{b} = \frac{c}{d}.
rate

rate

A fraction comparing two things with different units.

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Difficulty Level:
Basic
Grades:
8 , 9
Date Created:
Feb 24, 2012
Last Modified:
Apr 11, 2016
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