You have 4 machines that are supposed to create 100mg chocolate bars. One of the four machines is not working correctly and is making 90mg chocolate bars. You only have 1 chance to weigh the chocolate bars of 2 of the machines. What is the mathematical equation capable of pulling this off?
4 machines producing 100mg, one of them is making 90mg, once chance to weigh 2 machines versus each other
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algebra-precalculus
puzzle
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0A 100mg chocolate bar wouldn't fill much of a hole. – 2012-01-31