SOLUTION: The perimeter of a rectangle is 36 cm. If the length is doubled, the perimeter is 60 cm. Find the original length and width.
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Question 1138603: The perimeter of a rectangle is 36 cm. If the length is doubled, the perimeter is 60 cm. Find the original length and width.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
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HOW?
Assign variables; choosing w for width and L for length.
Dimension sum shortcut related to perimeter: , if p is perimeter.
Follow the description and write the equations.
Solve for the variables - I chose Elimination Method because it seemed very convenient.
You can finish and solve for w.
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