Homework Help: Algebra

Posted by sandy on Tuesday, December 4, 2012 at 7:20pm.

Please show me step by step if possible:
Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft².

The length (longer side) equal ___ft and width (shorter side) equal ____ft.

Algebra - PsyDAG, Wednesday, December 5, 2012 at 3:25pm
L = 45/W

2L + 2W = 28

Substitute 45/W for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.

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