Question
The ratio of the area of Rectangle M to that of Rectangle N to that of Rectangle P is 7 : 5 : 3. 314 of Rectangle M and 16 of Rectangle P are shaded. The shaded area is 60 m2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle M to that of Rectangle N to that of Rectangle P is 7 : 5 : 3. 314 of Rectangle M and 16 of Rectangle P are shaded. The shaded area is 60 m2. Find the total unshaded area of the figure.