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Mathematics 19 Online
OpenStudy (anonymous):

Brain teaser:After visiting my Great Aunt Annie, I travelled home in her old jalopy. The car was old and battered, it had a leak from the petrol tank, and I was stuck in second gear. This meant that I could only travel along at a steady 30 miles per hour and managed a paltry 20 miles per gallon of fuel. At the start of the journey I had placed exactly 10 gallons of fuel into the tank. I knew though, that the fuel tank lost fuel at the rate of half a gallon per hour. Just as I arrived home, the car stopped because it had run out of fuel and I had only just made it.

OpenStudy (***[isuru]***):

wt is the question here... the distance between 2 houses ?

OpenStudy (anonymous):

IDK I'LL FIND A BETTER TEASER!!

OpenStudy (***[isuru]***):

150 miles. he was travelling at 30mph at a rate of 20mpg, so he was using 1.5 gallons every hour for the driving itself. he was also losing 0.5 gallon every hour. In total, he was using 2 gallons every hour. to use all of the 10 gallons he travelled for 5 hours. 5 hours at 30mph is 150 miles.

OpenStudy (***[isuru]***):

this is only if i have to find the distance between 2 houses

OpenStudy (***[isuru]***):

i dont c any riddle to solve except that part :P

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