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March 27, 2017

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A convenience store sells 1650 items where 12/25 of the items are junk food. How many of the items are junk food?

  • Applications of Multipication - ,

    (12/25) * 1650 = 19,800/25 = 792

  • Applications of Multipication - ,

    A hotel has 408 rooms. 9/17 of these rooms are for non-smokers. How many rooms are for non-smokers?
    My answer was maybe 351/17.

  • Applications of Multipication - ,

    You haven't given the number of rooms.

    Multiply 408 times 9/17

  • Applications of Multipication - ,

    Hint: since 9/17 is a little more than 1/2, you're looking for a number that's a little more than half of 408.

  • Applications of Multipication - ,

    Is my answer to that 2nd question 221/17? I think I did something wrong.

  • Applications of Multipication - ,

    When you multiply fractions, first multiply the numerators.

    408 * 9 = 3672

    Then multiply the denominators.

    1 * 17 = 17

    408 times 9/17 = 3,672/17

    Divide:

    3,672/17 = 216

    Yes! 216 is a little more than half of 408.

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