1.

The height ofa wall is six times its width and the length of the wall is seven times its height. it volume ofthe wall is 16128 m3, what is its width?Q14¡

Answer»

Let the width be x metres. Then, height = 6x. length =7x. Volume = 16128=> lbh = 16128=> 42* x^3 = 16128=> x^3 = 384=> x = 8 metres.

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