SOLUTION: the length of a rectangular sheet of paper is 1 cm more than twice the width and the area of the rectangle is 55 square centimeters. find the dimensions of the rectangular sheet of
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Question 1179812: the length of a rectangular sheet of paper is 1 cm more than twice the width and the area of the rectangle is 55 square centimeters. find the dimensions of the rectangular sheet of paper
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
Mentally, in a few seconds:
55 = 11*5; 11cm is 1cm more than twice 5cm.
Algebraically....
x = width
2x+1 = length
x = -11/2 or x = 5; obviously the negative solution for the width is nonsense.
ANSWER: width = x = 5cm; length = 2x+1 = 11cm
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