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Algebra
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Example 5-1a

Example 5-1a

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Example 5-1b

Example 5-1b

Answer: Any real number greater than 5 is a solution of this inequality.

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Example 5-1c

Example 5-1c

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Example 5-2a

Example 5-2a

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Example 5-2b

Example 5-2b

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Example 5-2c

Example 5-2c

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Example 5-3a

Example 5-3a

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Example 5-3b

Example 5-3b

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Example 5-3c

Example 5-3c

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Example 5-4a

Example 5-4a

Consumer Costs Alida has at most $10.50 to spend at a convenience store. She buys a bag of potato chips and a can of soda for $1.55. If gasoline at this store costs $1.35 per gallon, how many gallons of gasoline can Alida buy for her car, to the nearest tenth of a gallon?

Plan The total cost of the gasoline is 1.35g. The cost of the chips and soda plus the total cost of the gasoline must be less than or equal to $10.50. Write an inequality.

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Example 5-4b

Example 5-4b

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Example 5-4c

Example 5-4c

Answer: Alida can buy up to 6.6 gallons of gasoline for her car.

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Example 5-4d

Example 5-4d

Rental Costs Jeb wants to rent a car for his vacation. Value Cars rents cars for $25 per day plus $0.25 per mile. How far can he drive for one day if he wants to spend no more that $200 on car rental?

Answer: up to 700 miles

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End of Lesson 5

End of Lesson 5

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Lesson 6 Contents

Lesson 6 Contents

Example 1 Solve an and Compound Inequality

Example 2 Solve an or Compound Inequality

Example 3 Solve an Absolute Value Inequality (<)

Example 4 Solve an Absolute Value Inequality (>)

Example 5 Solve a Multi-Step Absolute Value Inequality

Example 6 Write an Absolute Value Inequality

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