Math Help - pipe calculations

1. pipe calculations

Dear all

If I have 18,000 feet of steel pipe at $4,000 dollars a tonne which is 9.2 pounds a foot - what is the best way to convert the price from tonnes, 2204.6, into feet? I am getting$12.19 a foot however I dont think this can be right.

2. Originally Posted by travellingscotsman
Dear all

If I have 18,000 feet of steel pipe at $4,000 dollars a tonne which is 9.2 pounds a foot - what is the best way to convert the price from tonnes, 2204.6, into feet? I am getting$12.19 a foot however I dont think this can be right.
9.2 pounds is 9.2/2204.6 ~= 0.0041731 tonne

So the mass of one foot of the pipe is 0.0041731 tonne per foot, so the total mass of your pipe is 18,000 x 0.0041731 tonne.

CB