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2 September, 06:05

How many 5 1/4 ounce glasses can be completely filled from a 33 1/2 ounce container of juice?

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  1. 2 September, 07:59
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    You need to divide.

    We are dividing the mixed numeral 33 1/21 by the mixed numeral 5 1/4.

    (33 1/2) / (5 1/4) =

    The first step is to change the two mixed numerals into improper fractions.

    33 1/2 = 67/2, and 5 1/4 = 21/4

    = (67/2) / (21/4)

    Now we are dividing the fraction 67/2 by the fraction 21/4.

    To divide a fraction by a fraction, rewrite the first fraction, change division intro multiplication, and flip the second fraction. To divide 67/2 by 21/4, we multiply 67/2 by 4/21.

    = 67/2 * 4/21

    To multiply fractions, multiply together the numerators, and multiply together the denominators. 67 * 4 = 268; 2 * 21 = 42

    = 268/42

    Using a calculator, 268/42 = 6.38095 ...

    You can fill 6 full glasses.
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