Question
The ratio of the area of Rectangle U to that of Rectangle V to that of Rectangle W is 7 : 4 : 3. 314 of Rectangle U and 16 of Rectangle W are shaded. The shaded area is 84 m2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle U to that of Rectangle V to that of Rectangle W is 7 : 4 : 3. 314 of Rectangle U and 16 of Rectangle W are shaded. The shaded area is 84 m2. Find the total unshaded area of the figure.