February 20, 2010
A Physics Student Learnt About 2 Fuel Saving Inventions. Fuel A Saves 30%and Fuel B Saves 40%. He?
He modifies his car engine to use both Fuel A and Fuel B. How much percentage of fuel does he save?
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Filed under Gas Conservation FAQ by on Feb 20th, 2010. Comment. 
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Comments on A Physics Student Learnt About 2 Fuel Saving Inventions. Fuel A Saves 30%and Fuel B Saves 40%. He?
His fuel consumption will be 0.7 x 0.6 or 0.42, so he saves 0.58 or 58%. I think that is the answer you are looking for, if you have two independent processes.
But you don’t have two independent processes, so mixing two fuels together in reality gets you only the average of the two. So your savings would be 35%
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