SOLUTION: The width of a rectangle is 12 feet less than 3 times the length, and the area is 15 square feet. Part a: Write an equation that can be used to determine the length and width

Question 960938: The width of a rectangle is 12 feet less than 3 times the length, and the area is 15 square feet.

Part a: Write an equation that can be used to determine the length and width of the rectangle. Express your answer as a quadratic equation set equal to zero .
Part b: The length of the rectangle is ? feet.
Part c: The width of the rectangle is ? feet.
How do i solve this?
Thank you for yoour help.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
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Start substituting for w and solve for L. Use the now found L to finish solving for w.
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