A flat rectangular piece of aluminum has a perimeter of 70 inches. The length is 11 inches longer than the width. Find the width.
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OpenStudy (anonymous):
What is the formula for the perimeter of a rectangular?
OpenStudy (anonymous):
TO understand this question you need to know how to find the perimeter of a rectangle. Do you know the formula?
OpenStudy (anonymous):
w+L+w+L
OpenStudy (anonymous):
Yes or P=2L+2W
OpenStudy (anonymous):
The word problem gives us the permitter, which is P and it gives of the Length, which is 11 inches longer than the width. Length = (w + 11).
So
P = 2L + 2W
P = 2(w + 11) + 2w
can you finish and you see what I have done?
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OpenStudy (anonymous):
let me try
OpenStudy (anonymous):
One sec
OpenStudy (anonymous):
This will help you more
P = 2(w + 11) + 2w
70 = 2(w + 11) + 2w
Now finish
70 = 2(w + 11) + 2w
OpenStudy (anonymous):
23
OpenStudy (anonymous):
incorrect
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