Question

Natural gas is sold in the US at $1.03 per CCF. The efficiency of the natural gas furnace is 87.8%. What is the actual cost of heating per MMBTU? Recall that 1 MCF = 1,000 Cu. Ft and has 1,000,000 BTU; 1 CCF = 100 Cu. Ft and has 100,000 BTU.

Answer 1

Answer: the cost mmbtu is 9,04$

Explanation: 100cuft has 100000btu. Cost is 87.8% is 1.03$. 1000000btu is 10x100,000btu then cost is 10x1.03x87.8% =. 9.04