Question
The ratio of the area of Rectangle N to that of Rectangle P to that of Rectangle Q is 8 : 4 : 3. 316 of Rectangle N and 16 of Rectangle Q are shaded. The shaded area is 28 m2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle N to that of Rectangle P to that of Rectangle Q is 8 : 4 : 3. 316 of Rectangle N and 16 of Rectangle Q are shaded. The shaded area is 28 m2. Find the total unshaded area of the figure.