A rectangular photo has a 2mm thick frame uniformly around it. If the frame size is reduced to 1 mm, the total area of

A rectangular photo has a 2mm thick frame uniformly around it. If the frame size is reduced to 1 mm, the total area of the photograph with the frame is reduced by 20 mm^2. If the length and breadth of the photograph are integers and if the length is greater than breadth, find the ratio of the length and breadth of the photograph including the original frame.
A) 6/5
B) 7/5
C) 5/3
D) 2/1
E) 3/1

OA B

Source: e-GMAT

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