A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2a i

Question

A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2a inches larger than the width and length of the photograph. Which expression represents the perimeter of the frame?

GPT-5 mini · Answer

Frame dimensions: (5 + 2a) and (7 + 2a). Perimeter = 2[(5 + 2a) + (7 + 2a)] = 2(12 + 4a) = 24 + 8a inches.

A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2a inches larger than the width and length of the photograph. Which expression represents the perimeter of the frame?

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