Question
The ratio of the area of Rectangle D to that of Rectangle E to that of Rectangle F is 7 : 4 : 3. 314 of Rectangle D and 16 of Rectangle F are shaded. The shaded area is 32 m2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle D to that of Rectangle E to that of Rectangle F is 7 : 4 : 3. 314 of Rectangle D and 16 of Rectangle F are shaded. The shaded area is 32 m2. Find the total unshaded area of the figure.