SOLUTION: The width of a rectangle is 22 meters.The perimeter of the rectangle must be at least 90 meters and not more than 120 meters. Find the interval for the length x.

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Question 1140589: The width of a rectangle is 22 meters.The perimeter of the rectangle must be at least 90 meters and not more than 120 meters. Find the interval for the length x.
Answer by greenestamps(13198) About Me  (Show Source):
You can put this solution on YOUR website!


perimeter = 2*length+2*width = 2x+2(22) = 2x+44

The perimeter is to be at least 90m and at most 120m:

90%3C=2x%2B44%3C=120

Solve the compound inequality by standard methods: (1) subtract 44; (2) divide by 2