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Daphne replaced light bulbs in her mothers store.She had 3/4 of a box of light bulbs. She used 1/3 of the bulbs.

a. What fraction of the box of light bulbs was left?

b. How many light bulbs are in a full box? Explain.

Thanks to everyone who helps answer questions it is appreciated.

  • Math -

    (1/3) * (3/4) = 3/12 = 1/4 used

    4/4 - 1/4 = 3/4 left

    To find the number of bulbs in a full box, you need a multiple of 3 and 4 -- which could be
    12, 24, 36, 48, etc.

  • Math -

    use multiples of 12 to find how many light bulbs are in a whole box.

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