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Brain Teasers

Week 8 - Monday

#623

A fire engine travels eight miles to a fire at a speed of 55 mph.

It started its journey with 500 gallons of water but its tank has been leaking throughout the journey at a rate of 25 gallons per hour.

If the fire engine uses 495 gallons of water to put out the fire, how many gallons does it have left over?