SOLUTION: the diffence between the length and width of one side of a rectangular cereal box is 9.8cm if the width is 21.8cm what is the length in cm?
how many centimeters long is the peri
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Question 103249: the diffence between the length and width of one side of a rectangular cereal box is 9.8cm if the width is 21.8cm what is the length in cm?
how many centimeters long is the perimeter of the rectangle?
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
Let x=the width
y=the length
(1)y-x=9.8
(2)x=21.8
Substituting (2) to(1),
y-21.8=9.8
y=31.6
Therefore, the length is 31.6 cm
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