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30 November, 19:27

Mr. rameriz is buying square stones to cover his patio. The patio measures 7.5 feet by 9 deer. Each stone is 6 inches on a side. If Mr. rameriz buys 275 stones, are there enough stones to cover the patio

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  1. 30 November, 19:52
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    The first thing we must do in this case is to calculate the area of the patio.

    We have then that:

    A = (7.5) * (9) = 67.5 feet ^ 2.

    Then, we calculate the area of each stone:

    Ap = (6) * (6) = 36in ^ 2

    We make the conversion to feet:

    Ap = (36) (in ^ 2) * (1/12) ^ 2 (foot / inches) ^ 2

    Ap = 0.25 feet ^ 2

    Finally we have that the area covered by all the stones is:

    (0.25) * (275) = 68.75 feet ^ 2

    We observed that:

    68.75 feet ^ 2> 67.5 feet ^ 2

    Answer:

    there are enough stones to cover the patio

    68.75 feet ^ 2> 67.5 feet ^ 2
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