Picture Frame Problem
View the Lesson | MATHguide homepage Updated December 18th, 2016


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Robert is going to use a frame that is 2 inches thick for this job. This picture has a length that is 3 inches longer than it is wide. The area of the frame alone is given by this expression:

(x + 7)(x + 4) - (x + 3)x

There are four descriptions below. Use the pulldown menu to select the correct expression for each description:

the length of the picture alone, in inches
the length of the frame, in inches
the area of the picture alone, in square inches
the area of the picture and the frame together, in square inches