600 feet of fence surround a rectangular playground that is 100 feet wide. How long is the playground? A.400 b.500 c.300 d.200
2 answers:
Answer:
A.400
Step-by-step explanation:
Well perimeter for a rectangle is l+l+w+w
100+100+l+l=600
200+2l=600
<em>Subtract 200 from both sides</em>
2l=400
<em>Divide both sides by 2</em>
l = 400 feet
The length of the rectangle is 400 feet long.
100+100=600
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