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A farmer wants to plant three rectangular fields so that the widths are the same. The areas of the fields, in square yards, are given by the expressions 12x2y, 9xy2, and 21xy. What is the width of the files if x=3 and y=4?

 Mar 11, 2018
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Just plug in all the x and y with 3 and 4 respectively.

\(12x^2y\)

\(12(3)^2(4)\)

\(12*9*4 = 432\)

You try the other 2.

 Mar 11, 2018

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