Question
The ratio of the area of Rectangle R to that of Rectangle S to that of Rectangle T is 7 : 4 : 3. 314 of Rectangle R and 16 of Rectangle T are shaded. The shaded area is 44 m2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle R to that of Rectangle S to that of Rectangle T is 7 : 4 : 3. 314 of Rectangle R and 16 of Rectangle T are shaded. The shaded area is 44 m2. Find the total unshaded area of the figure.