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Math Help - Word problems help?

  1. #1
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    Word problems help?

    I'm really bad with word problems:
    Tickets for a homecoming dance cost $20 for a single person or $35 for a couple. Ticket sales for the dance totaled $2280. If 128 peple attended the dabce, how many single tickets were sold?


    And another:
    Describe the transformation to the parent function y=f(x): y=f( x-2 )+1.
    (What happens to the graph of y=f(x) to create the graph of y=f(x-2)+1?)

    Thanks!
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  2. #2
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    Quote Originally Posted by original501 View Post
    I'm really bad with word problems:
    Tickets for a homecoming dance cost $20 for a single person or $35 for a couple. Ticket sales for the dance totaled $2280. If 128 peple attended the dabce, how many single tickets were sold?

    let x = number of singles
    y = number of couples

    20x + 35y = 2280

    x + 2y = 128

    solve the system



    And another:
    Describe the transformation to the parent function y=f(x): y=f( x-2 )+1.
    (What happens to the graph of y=f(x) to create the graph of y=f(x-2)+1?)

    f(x-2) is f(x) translated to the right two units

    f(x) + 1 is f(x) translated up one unit

    put 'em together

    ...
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