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Math 7 - Unit 2 Review

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    Simplifying and expanding expressions
  •   Study   Slideshow
  • Factor 3n + 90
    3(n + 30)
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  • Distribute. 4(2s + 5t)
    8s + 20t
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  • Distribute. -2/3 (15 - 18x + 6y)
    -10 + 12x - 4y
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  • The price of strawberries, s, is $2.09 per pound. The price of bananas, b, is $0.69 per pound. The price of kiwis, k, is $1.29 per pound. What is the total cost for 4 pounds of strawberries, 4 pounds of bananas, and 2 pounds of kiwis?
    $11.61
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  • Simplify. 2(5x + 10) + 4(4x - 10)
    26x - 20
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  • Suppose 8x + 16 ice cream cones were sold on Saturday and 7x - 9 were sold on Sunday. What is the total number of ice cream cones sold?
    15x + 7
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  • Factor. -3x - 9
    -3(x + 3)
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  • Simplify. 9c + 14 - 2c - 7
    7c + 7
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  • Simplify. 4x + 3 + 8x
    12x + 3
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  • Thomas bought 80 tickets for rides at an amusement park. Each ride costs 5 tickets and Thomas has been on x rides so far. Write an expression that shows the number of tickets Thomas has left.
    80 - 5x
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  • Milo buys an order of copper. He pays $45 for the first pound and $42 for each additional pound. Write an expression that represents the total cost of an order of p pounds of copper.
    45 + 42(p - 1)
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  • What is the perimeter of the rectangle?
    4x + 4
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