math-4th grade

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a worker is usin boards to divide a rectangular animal pen into a row of 12 smaller goat pens. uhow many boards does the worker need?

  • math-4th grade -

    Draw a picture of it. How many boards does the worker need?

  • math-4th grade -

    It depends upon the width of the boards used. Let's assume they are as wide as the pen height needs to be (which is unlikely).

    To divide the rectangle into a 4 x 3 array or 12 equal areas, five boards are needed. They will have to be notched where they intersect.

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