SOLUTION: a frame painting has overall dimensions of 32 inches by 29 . the area of the painting itself is 378 squares inches. find the width if the frame
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Question 1002544: a frame painting has overall dimensions of 32 inches by 29 . the area of the painting itself is 378 squares inches. find the width if the frame
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Basically this will use .
Setup some variables and try to do any computations later instead of sooner.
A is for area of the painting, NOT including frame.
Overall Area, wL
Painting's Area, (w-2u)(L-2u)
Frame Area, assigned to variable A
-
Referring to the basic idea at the top,
Begin simplifying that equation.
Finish simplying
Solve for u. You can substitute the given values whenever you feel the need. Your choice either to solve for u completely in symbols, or substitute the given values now and finish that way.
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