Module 7.3 lessons 14 15

Module 7.3 Lessons 14­15.notebook

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November 20, 2015

Module 3, Lessons 14-15

Aim: Solving Inequalities 

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Do Now:

Lesson 13 Exit Ticket

Homework: Lesson 14 Problem Set #1,3,5Lesson 15 Problem Set #2,3

Module 7.3 Lessons 14­15.notebook

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Exit Ticket

Module 7.3 Lessons 14­15.notebook

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Exit Ticket: Solution

Module 7.3 Lessons 14­15.notebook

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Homework Answers S.68

Module 7.3 Lessons 14­15.notebook

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Preserved

Reversed

Reversed

Reversed

Reversed

Reversed

Preserved

Preserved

Preserved

S.68

Module 7.3 Lessons 14­15.notebook

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Homework Answers

w

w + 12

w + 12

w

4.S.68

Module 7.3 Lessons 14­15.notebook

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Homework Answers5.

S.68

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S.69

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S.69

Module 7.3 Lessons 14­15.notebook

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S.69

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S.69

Module 7.3 Lessons 14­15.notebook

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Solve the inequality

Interpret the solution

S.69

Module 7.3 Lessons 14­15.notebook

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Solve the inequality

Interpret the solution

S.69

Module 7.3 Lessons 14­15.notebook

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Discussion:1.) Recall the formula for profit is revenue - expenses. In this example, what represents the revenue and what represents the expenses?

2.) Why was the inequality "greater than or equal to" used?

3.) Was it necessary to reverse the inequality sign? Explain why or why not.

4.) Why is the answer 211 people versus 210 people?

Module 7.3 Lessons 14­15.notebook

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Example 1

A youth summer camp has budgeted $2000 for the campers to attend the carnival. The cost for each camper is $17.95, which includes general admission to the carnival and 2 meals. The youth summer camp must also pay $250 for the chaperones to attend the carnival and $350 for transportation to and from the carnival. What is the greatest amount of campers that can attend the carnival if the camp must stay within their budgeted amount?

S.70

Module 7.3 Lessons 14­15.notebook

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Example 1

A youth summer camp has budgeted $2000 for the campers to attend the carnival. The cost for each camper is $17.95, which includes general admission to the carnival and 2 meals. The youth summer camp must also pay $250 for the chaperones to attend the carnival and $350 for transportation to and from the carnival. What is the greatest amount of campers that can attend the carnival if the camp must stay within their budgeted amount?

S.70

Module 7.3 Lessons 14­15.notebook

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Example 2

The carnival owner pays the owner of an exotic animal exhibit $650 for the entire time the exhibit is displayed. The owner of the exhibit has no other expenses except for a daily insurance cost. If the owner of the animal exhibit wants to make more than $500 in profits for the days, what is the greatest daily insurance rate he can afford to pay?

S.70

Module 7.3 Lessons 14­15.notebook

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Example 2

The carnival owner pays the owner of an exotic animal exhibit $650 for the entire time the exhibit is displayed. The owner of the exhibit has no other expenses except for a daily insurance cost. If the owner of the animal exhibit wants to make more than $500 in profits for the days, what is the greatest daily insurance rate he can afford to pay?

S.70

Module 7.3 Lessons 14­15.notebook

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November 20, 2015

Example 3:

There are several vendors at the carnival who sell products and also advertise their business. Shane works for a recreational company that sells ATVs, dirt bikes, snowmobiles, and motorcycles. His boss paid him $500 for working all of the days at the carnival plut 5% commission on all of the sales made at the carnival. What was the minimum amount of sales Shane needed to sell if he earned more than $1,500?

S.70

Module 7.3 Lessons 14­15.notebook

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November 20, 2015

Example 3:

There are several vendors at the carnival who sell products and also advertise their business. Shane works for a recreational company that sells ATVs, dirt bikes, snowmobiles, and motorcycles. His boss paid him $500 for working all of the days at the carnival plut 5% commission on all of the sales made at the carnival. What was the minimum amount of sales Shane needed to sell if he earned more than $1,500?

S.70

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S.74

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S.75

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Closing:1.) How is the solution to an inequality interpreted?

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