SOLUTION: The perimeter of a rectangle, given that the length is x yards and the width is 10 yards shorter?

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Question 190619: The perimeter of a rectangle, given that the length is x yards and the width is 10 yards shorter?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L%2B2W Start with the formula for the perimeter for a rectangle


P=2x%2B2%28x-10%29 Plug in the length "x" and the width x-10 (since the width is 10 yards shorter than the length)


P=2x%2B2x-20 Distribute


P=4x-20 Combine like terms.


So the equation for the perimeter is P=4x-20