Coin Total Puzzles: Largest Unpayable Total and Fewest Tokens
Which totals can two token values pay, what is the largest one they cannot, and how few tokens will do? A ladder method, worked example and practice.
Riddle10 blog
Riddle10 blog
Which totals can two token values pay, what is the largest one they cannot, and how few tokens will do? A ladder method, worked example and practice.