SOLUTION: the perimiter of a rectangle is 210 feet. the length is 10 feet longer than the width w. which equation can be used to calculate the length and the width of the playground

Question 1060933: the perimiter of a rectangle is 210 feet. the length is 10 feet longer than the width w. which equation can be used to calculate the length and the width of the playground
Found 2 solutions by algebrahouse.com, josmiceli:
Answer by algebrahouse.com(1659) (Show Source): You can put this solution on YOUR website!
w = width
w + 10 = length {length is 10 ft longer than the width}

Perimeter of a rectangle = 2(width) + 2(length)

2w + 2(w + 10) = 210 {substituted width and length into perimeter formula}
2w + 2w + 20 = 210 {used distributive property}
4w + 20 = 210 {combined like terms}

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Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The formula for perimeter of a rectangle , , is:

= length
= width
-----------------------
given:
ft

-----------------------

( this is the required equation )
-------------------------------
solution:

and

--------------------
check:

OK

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