Question 860758: Arrange 127 pennies into 7 stacks so that some combination of the stacks can total up to any amount from 1¢ to 127¢. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Arrange 127 pennies into 7 stacks so that some combination of the stacks can total up to any amount from 1¢ to 127¢.
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It's binary counting. The stacks are
1
2
4
8
16
32
64