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# Proportions to Find Percent, P

## Use proportions to cross - multiply and find percents.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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## Find the Percents Given the Parts and Whole - Overview

by CK-12 //basic
Overview
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## Example 3: Determine What Percent One Number is of Another Using a Percent Proportion

by CK-12 //basic
Shows how to use percent proportions to determine what percent a number is of another number.
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• Video

## Percentages Over 100% - Overview

by CK-12 //basic
Overview
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## Find the Percents Given the Parts and Whole - Example 1

by CK-12 //basic
Calculate percentage - using the figure
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## Find the Percents Given the Parts and Whole - Example 2

by CK-12 //basic
Calculate percentage - without units
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## Find the Percents Given the Parts and Whole - Example 3

by CK-12 //basic
Calculate percentage - with units
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## Find the Percents Given the Parts and Whole - Example 4

by CK-12 //basic
Calculate percentage - one-step word problems
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## Find the Percents Given the Parts and Whole - Example 5

by CK-12 //basic
Calculate percentage - two-step word problems
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## Percentages Over 100% - Example 1

by CK-12 //basic
Find the percentage
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## Percentages Over 100% - Example 2

by CK-12 //basic
Find the part
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## Percentages Over 100% - Example 3

by CK-12 //basic
Find the whole
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