Average propane btu usage per hour?
Kind of depends on what you want to heat doesn't it...
How far can an average person walk in one hour?
A train travels 300 km on 4 hour. what its average speed?
There is no answer. A train cannot travel 300 km ON 4 hours, but it can travel 300 km IN 4 hours which would make the average speed 75 km.
What does the average roofer charge per hour?
Roofers are responsible for repairing and installing roofs from a number of different materials. According to Payscale.com, roofers charge, on average, anywhere from $12.59 to $20.25 and above per ...
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