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Algebra 2

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Tom has a backyard that is 100ft. by 60 ft. He plans to install a rectangulr swimming pool bordered by a concrete walkway of uniform width. He wants the area of the pool to take up 1/2 of the area od the entire backyard. Determine the width of the walkway

  • Algebra 2 - incomplete -

    yard area = 100*60 = 6000
    pool area = 3000

    now, if the pool has width x, length y, and the walkway is w wide, we have

    (x+2w)(y+2w) = 3000

    Unfortunately, that's where we have to pause. You could have a tiny pool with a wide border, or a large pool with a skinny border.

    Sure there's not something you're missing?

  • Algebra 2 -

    The only other thing it says is round your answer to 2 decimals.

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