Homework Help: math

Posted by Jane on Saturday, February 11, 2012 at 2:30pm.

Please show me how to set it up and solve:

You are making a rectangular table. The area of the table should be 10ft squared. You want the length of the table to be 1ft shorter than twice its width. What should the dimensions of the able be?

math - PsyDAG, Sunday, February 12, 2012 at 12:55pm
L = 2W - 1

10 = L * W = (2W-1) * W = 2W^2 - W

Transpose the 10

0 = 2W^2 - W -10

Factor to solve for possible values of W, then determine L from those.

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