Question
The figure, not drawn to scale, shows a rectangle, KLMN, which is divided in 4 parts, P, Q, R, and S. The ratio of the area of S to the area of R is 1 : 3. The ratio of the area of R to the area of Q is 9 : 10. If the area of P is 112 cm2, what is the area of the rectangle KLMN?
3 m

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The figure, not drawn to scale, shows a rectangle, KLMN, which is divided in 4 parts, P, Q, R, and S. The ratio of the area of S to the area of R is 1 : 3. The ratio of the area of R to the area of Q is 9 : 10. If the area of P is 112 cm2, what is the area of the rectangle KLMN?