Brain Teasers
Uncle Anaconda
Uncle Anaconda saddled up his mare, Maggie in preparation for a month long hunting trip up at Python Peak, and planned to stay at the old lodge which is 117 miles away. They started out early Sunday morning and arrived at the lodge eight days later on Monday evening. Uncle Anaconda calculated that on each day of the trip, he and Maggie travelled one mile less than they had the day before. How many miles did Uncle Anaconda and Maggie travel on the last Monday of the trip?
Answer
9 miles.The equation is as follows, with x being the last days travel.
x + (x + 1) + (x + 2) + (x + 3) + (x + 4) + (x + 5) + (x + 6) + (x + 7) + (x + 8 ) = 117
9x + 36 = 117
9x = 81
x = 9
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