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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perf and fab from United States School: International School of Beaverton  Report Abusive 
Your answer:  6 
Explanation:  I pretty much drew out the problem to figure out how much wheat there would be at each time. So 1=1 2=3 3=7 4=15 and from there I realized the pattern was multiply by two and add 1 so the next would be 5=31 and then finally 6=63 
