"Can you tell me what the temperature has been at noon for the past five days?" John asked the weatherman. "I don't exactly recall," replied the weatherman, "but I do remember that the temperature was different each day, and that the product of the temperatures is 12." Assuming that the temperatures are expressed to the nearest degree, what were the five temperatures?
What other products of five numbers (less than 100) would have given unique solutions?
(The initial question is from Amazing Brain Teasers by Erwin Brecher)
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