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  • Oct 24, 2011, 02:16 PM
    daviane
    How many ways?
    Suppose carlos wants to order 40 light bulbs for the factory .he can buy light bulbs in boxes of 4 or 8.how many ways could he order exactly 40 bulbs?
  • Oct 24, 2011, 02:18 PM
    daviane
    49-10=39
  • Oct 25, 2011, 02:16 AM
    Unknown008
    No, I don't see how you can get 49 or 10 here.

    It could be
    8, 8, 8, 8, 8
    8, 8, 8, 8, 4, 4

    And so on. Can you continue the list?

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