Question
Mary painted a grey square on rectangle JKLM as shown. The length of KL is twice of NL. The length of JM is 12 of JK. Find the area of the unpainted part of the rectangle JKLM.
4 m

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Mary painted a grey square on rectangle JKLM as shown. The length of KL is twice of NL. The length of JM is 12 of JK. Find the area of the unpainted part of the rectangle JKLM.