# How many gallons of fuel does it leak per hour?

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A car has travelled 45 miles at 60 mph. It started its journey with 10 gallons of fuel but its tank has been leaking throughout the journey and is now dry.
The car completes 30 miles per gallon.
How many gallons of fuel does it leak per hour?

posted Jul 24, 2018

Time on travel is 45/60=3/4 hrs
Fuel spent is 45/30=1.5 gallons
Fuel leaked is 10-1.5=8.5 gallons
Fuel leak rate is 8.5/(3/4)=34/3=11.33 gallons/hr

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