For the solution, click here.
For the solution, click here.
The following puzzle is a way to introduce counting in Base 2.
Solution to Three-Weights Problem: The values of the 3 weights are 1, 2, and 5 pounds.
Solution to Four-Weights Problem: For Ursula to count all of the way to 15 with 4 weights, their values must be 1, 2, 4, and 8. Notice that these are the powers of 2, and combining them in different ways amounts to counting in base 2.
Solution to Four-Weights Problem: For Ursula to count all of the way to 15 with 4 weights, their values must be 1, 2, 4, and 8. Notice that these are the powers of 2, and combining them in different ways amounts to counting in base 2.
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