The volume of a wall, 5 times as high as it is broad and 8 times as long as it is high, is 12.8 m2 .Find the breadth of the wall.

The volume of a wall, 5 times as high as it is broad and 8 times as long as it is high, is 12.8 m2 .Find the breadth of the wall. Correct Answer 40 cm

Let, Beadth = x high = 5x long = 40 x ATQ, x×5x×40x = 12.8⇒200x3 = 12.8⇒x3 = 12.8200⇒x3 = 128200×10⇒x3 = 0.064⇒x = 0.4m.'. x  = 40 cm  
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