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7 March, 05:12

Darryl's working on another staircase. the volume of the staircase is 34 cubic feet. he poured 3 cubic feet of concrete into the lowest stair and 6 cubic feet into the middle stair. how much concrete does darryl need for the highest stair?

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  1. 7 March, 07:55
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    25 cubic feet of concrete

    Step-by-step explanation:

    Given the information:

    the volume of the staircase is 34 cubic 3 cubic feet of concrete into the lowest stair 6 cubic feet into the middle stair

    =>The volume of concrete darryl need for the highest stair is:

    The volume of the staircase - the volume of the lowest stair - the volume of middle stair

    = 34 - 3 - 6

    = 25 cubic feet of concrete

    Hope it will find you well.
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