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15 April, 02:26

A prism is filled with cubes that have edge lengths of 1/4 in. how many cubes are needed to fill the rectangular prism

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  1. 15 April, 03:22
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    This is going to require a good bit of division. I am going to turn the mixed fractions into improper fractions. Remember that to divide fractions, you take the 2nd fraction, flip it, and multiply.

    First (2 1/2) / (1/4) = (5/2) (4) = 20/2 = 10

    Next, 3 / (1/4) = 3 (4) = 12

    Lastly, (3 1/4) / (1/4) = (13/4) x 4 = 52/4 = 13

    This means we need 10 rows of 12, 13 high. 10 (12) (13) = 1560 cubes.
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