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A National Hockey League rink is 115 feet longer than it is wide. If the perimeter of the rink is 570 feet, find the dimensions of the rink.

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5 votes
check the picture below.

what's the length? well, l = w + 115.
A National Hockey League rink is 115 feet longer than it is wide. If the perimeter-example-1
User Bernardo Siu
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