The height of the wall is 6 times its width and length of the wall is 7 times its height .if the volume of the wall be 6804 cu.m.its width is	Choose the correct choice.
A) 3m B) 5m C) 6m D) 7m E) 8m
Explanation:   Let width = x   Then, height=6x and length=42x   42x Ã— 6x Ã— x = 6804   x = 3   3mnswer: 3m
<result>A</result>
The height of the wall is 6 times its width and length of the wall is 7 times its height .if the volume of the wall be 6804 cu.m.its width is