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# Prices Involving Sales Tax

## Determine the sum of a number and one or more percentages of the number.

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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## Percent Application - Tipping

by CK-12 //basic
Explains how to determine a tip amount and total bill amount.
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## Taxes - Overview

by CK-12 //basic
Overview
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## Example 4: Percent Application Problem

by CK-12 //basic
Determines the cost of an item when marked down 15% and with a tax rate of 8%.
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## Market Price, Taxes, and GST - Overview

by CK-12 //basic
Overview
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• Video

## Taxes - Example 1

by CK-12 //basic
Find the total tax given total income and income tax rate
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## Taxes - Example 2

by CK-12 //basic
Find the percentage of tax given the original price and post-tax price
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## Taxes - Example 3

by CK-12 //basic
Find the post-tax price given the selling price and tax rate
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## Taxes - Example 4

by CK-12 //basic
Find the original price given the post-tax price and tax rate
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• Video

## Market Price, Taxes, and GST - Example 1

by CK-12 //basic
Find the Price after Tax, price before tax, and GST amount
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## Market Price, Taxes, and GST - Example 2

by CK-12 //basic
Find the better discount
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## Market Price, Taxes, and GST - Example 3

by CK-12 //basic
Find the total amount and total GST given a percentage discount on the second item
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## Market Price, Taxes, and GST - Example 4

by CK-12 //basic
Find the total amount remaining after taxes, tips, and shipping fees
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## Market Price, Taxes, and GST - Example 5

by CK-12 //basic
Find the original price, GST, and percentage decrease
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