Question
The ratio of the area of Rectangle H to that of Rectangle J to that of Rectangle K is 7 : 4 : 2. 221 of Rectangle H and 16 of Rectangle K are shaded. The shaded area is 27 m2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle H to that of Rectangle J to that of Rectangle K is 7 : 4 : 2. 221 of Rectangle H and 16 of Rectangle K are shaded. The shaded area is 27 m2. Find the total unshaded area of the figure.