SOLUTION: The width, w, of a rectangle is 3/4 its length,l,.The width,w, of the rectangle is 12 inches. What Is the perimeter and area in square ?

Question 825686: The width, w, of a rectangle is 3/4 its length,l,.The width,w, of the rectangle is 12 inches.
What Is the perimeter and area in square ?
Answer by sarcasticpie(12) (Show Source): You can put this solution on YOUR website!
Hello :)
As you said, the width is of the length. This would lead us to believe that the length is 4 parts, and 3 parts of it is 12 inches.
This can be written as = . Using cross multiplication, we'll get = , which ends up as 16 inches. Now we know that the length is 16 inches and the width is 12 inches.
a) Using our info, the perimeter is equal to 2(l+w)
= 2(16 + 12) inches
= 2(28) inches
= 56 inches
b) Area is equal to l times w
= 16 times 12
= 192 square inches
There you go! I hope it helps :) x
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