Question
The ratio of the area of Rectangle E to that of Rectangle F to that of Rectangle G is 3 : 2 : 1. 29 of Rectangle E and 13 of Rectangle G are shaded. The shaded area is 90 cm2. 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 3 : 2 : 1. 29 of Rectangle E and 13 of Rectangle G are shaded. The shaded area is 90 cm2. Find the total unshaded area of the figure.