Farm Fair Contest
What is the minimum number of weighing operations required to measure 63 kg of wheat, if only one weight of 1 kg is available?
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Robert from United States School: PS.232  Report Abusive 
Your answer:  63 operations 
Explanation:  because we have to weigh 1 kg at a time until we reach 63 kg, so we have to do that 63 times. 
