Question
A rectangular piece of cardboard measures 17cm by 14cm. Strips of equal width are cut off one side and one end. The area of the remaining piece is 108cm^2. Find the width of the strips removed.
Answers
Steve
(17-w)(14-w) = 108
238 - 31w + w^2 = 108
w^2 - 31w + 130
(w-5)(w-26) = 0
w = 5 or 26
w=5, due to the size conditions.
12*9 = 108
238 - 31w + w^2 = 108
w^2 - 31w + 130
(w-5)(w-26) = 0
w = 5 or 26
w=5, due to the size conditions.
12*9 = 108
Samson
12 * 9=108
Sulaiman
Brilliant
Anonymous
A piece of cardboard measures 12 cm by 30 cm what is its area in square measure
Sandy rain
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