Question: need help please 2.5 A welding apparatus for a drilling rig uses acetylene (C2H2), which is purchased in steel cylinders containing 20lb of gas and

need help please

2.5 A welding apparatus for a drilling rig uses acetylene (C2H2), which is purchased in steel cylinders containing 20lb of gas and costs $10.00 exclusive of the cylinder. If a welder is using 200ft3 per day measured at 16oz gauge and 85F, what is the daily cost of acetylene? What is the cost per MCF at 14.7psia and 60F

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