SOLUTION: the length of a rectangle is 7 in. more than twice its width. its area is 270 in. find the width of the rectangle

Question 221066: the length of a rectangle is 7 in. more than twice its width. its area is 270 in. find the width of the rectangle
Answer by sofiyac(983) (Show Source): You can put this solution on YOUR website!
the length of a rectangle is 7 in. more than twice its width. its area is 270 in. find the width of the rectangle
lets call width w and length l

we can factor this equation

because width can't be negative we have to work with (w-10)=0 ONLY so
add 10 to both sides

so width is 10

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