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7 January, 14:07

Mr. Gallegos made a batch of muffins. He gave 11/21 of the batch to his neghbors and ate 1/8 of the batch himself. Which is the best estimation of the fraction of the batch that was left?

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  1. 7 January, 16:30
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    The answer to your question is There were 59/168 muffins left.

    Step-by-step explanation:

    Data

    Initial amount of muffins = 1

    Amount of muffins given to his neighbors = 11/21

    Amount of muffins eaten = 1/8

    Amount of muffins left = ?

    Process

    1. - Subtract the amount of muffins given to the neighbors and the amount of muffins eaten to the initial amount of muffins.

    1 - 11/21 - 1/8 =

    -Look for the greatest common factor

    21 8 2

    21 4 2

    21 2 2

    21 1 3

    7 7

    1

    GCF = 2 x 2 x 2 x 3 x 7

    = 168

    -Solve the arithmetical operation

    1 - 11/21 - 1/8 = (168 - 88 - 21) / 168

    = 59/168

    -Conclusion

    There were 59/168 muffins left.
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