SOLUTION: A frame that measures 12 inches by 15 inches is of uniform width. The area of the picture inside is 28 square inches. What is the width of the frame?
Question 1166319: A frame that measures 12 inches by 15 inches is of uniform width. The area of the picture inside is 28 square inches. What is the width of the frame? Answer by solver91311(24713) (Show Source):
There is a piece of frame of width at the top and bottom and on each side of the actual picture. So the picture measures by . Since the actual picture has an area of 28 square inches, the following must hold:
Solve the quadratic for . Note you will get two positive roots but one of them will be absurd. I leave it in your capable hands to figure out which one is the legitimate solution.
John
My calculator said it, I believe it, that settles it
