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 129024 cu.m.its width is  Choose the most appropriate option.
A) 4m
B) 5m
C) 6m
D) 7m
E) 8m
8mxplanation:   Let width = x   Then, height=6x and length=42x   42x Ã— 6x Ã— x = 129024   x = 8   Answer: 8m
<result>E</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 129024 cu.m.its width is