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Module 2 Lesson 19.notebook
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December 10, 2013
Module 2, Lesson 19
HW: • Lesson 19 Problem Set
#1-2
Do Now:
Exit Ticket For Lesson 18
Equivalent Expressionswith Rational Numbers
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Exit Ticket Answers
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Homework Answers
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December 10, 2013
Homework Answers
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December 10, 2013
Homework Answers
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TIC TAC TOE
2x + 2(x - 6)
4x - 164(-1x + 1)
4(3 - x)
3x - 6
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Example 2:
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Tape Diagram Model
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December 10, 2013
Tape Diagram Model
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Example 3 An item that has an original price of dollars is discounted 33%.
a. Write an expression that represents the amount of the discount.
b. Write two equivalent expressions that represent the new, discounted price.
c. Use one of your expressions to calculate the new, discounted price if the original price was $56.
d. How would the expressions you created in parts (a) and (b) have to change if the item‛s price had increased by 33% instead of discounted 33%?
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Sales Tax= Price + (Sales tax as a Percent)(Price)
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80
4022.40
11.60
.8x
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