Question
The ratio between the length and breadth of a
rectangular board is 7:5. If the breadth of the board is 20.5cm, find the length in cm.Solution
let length be 7x breadth be 5x breadth = 20.5 cm Now, 5x = 20.5 x = 4.1 cm Hence, Length = 7 x 4.1 = 28.7 cm
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