Question
Yoko painted a grey square on rectangle MNPQ as shown. The length of NP is twice of RP. The length of MQ is 12 of MN. Find the area of the unpainted part of the rectangle MNPQ.
4 m

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Yoko painted a grey square on rectangle MNPQ as shown. The length of NP is twice of RP. The length of MQ is 12 of MN. Find the area of the unpainted part of the rectangle MNPQ.