Question
The ratio of the area of Rectangle E to that of Rectangle F to that of Rectangle G is 7 : 4 : 2. 314 of Rectangle E and 14 of Rectangle G 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 E to that of Rectangle F to that of Rectangle G is 7 : 4 : 2. 314 of Rectangle E and 14 of Rectangle G are shaded. The shaded area is 60 m2. Find the total unshaded area of the figure.