SOLUTION: Hello all having trouble figuring this problem out. Using only 1 variable and writing an inequality to come up with a solution how would I do this problem. The length of a rect

Question 742761: Hello all having trouble figuring this problem out. Using only 1 variable and writing an inequality to come up with a solution how would I do this problem.
The length of a rectangular boat storage shed must be 4 meters more than the width . The perimeter must be at least 120 meters. What widths of the shed will make the perimeter at least 120 meters?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
The length of a rectangular boat storage shed must be 4 meters more than the width . The perimeter must be at least 120 meters. What widths of the shed will make the perimeter at least 120 meters?
.
Let w = width
then
w+4 = length
.
2(w + w+4) >= 120
2(2w+4) >= 120
2w+4 >= 60
w+2 >= 30
w >= 28 meters
width must be "greater than or equal" to 28 meters
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