SOLUTION: The length, width and height of a hall are in the ratio 7 : 4 : 2 and the height is 18 metres. What is the width in metres?

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Question 918159: The length, width and height of a hall are in the ratio 7 : 4 : 2 and the height is 18 metres. What is the width in metres?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

length, width and height of a hall are in the ratio 7 : 4 : 2 

Let x represent the constant of proportionality

2x = 18m

x = 9m

w = 4x = 12m 4%2A9