Mathematics, 11.01.2020 17:31 leslieperez67

If the length of a room is increased by 3 m and its breadth is decreased by 3m l, its area decreased by 15 m^2. if both length and breadth is decreased by 3m, its area increases by 63 m^2, by what percentage the length is more than breadth? show it by step by step calculation.

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