Question 438429: Iam trying to find the lenght and width of a rectangle. All i know is L=3w-8 and that Area = 35. Please help me sovle this. Answer by Gogonati(855) (Show Source):
You can put this solution on YOUR website! Solve the equation: => , use the quadratic formula:
=> = .
Answer: The width is 5 cm and the length is:3x5-8=7 cm.
Check: A=LxW=7cm X 5cm =.