Question
The ratio of the area of Rectangle F to that of Rectangle G to that of Rectangle H is 8 : 5 : 2. 316 of Rectangle F and 14 of Rectangle H are shaded. The shaded area is 48 cm2. Find the total unshaded area of the figure.
4 m

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The ratio of the area of Rectangle F to that of Rectangle G to that of Rectangle H is 8 : 5 : 2. 316 of Rectangle F and 14 of Rectangle H are shaded. The shaded area is 48 cm2. Find the total unshaded area of the figure.