How do you regroup 43 ones as tens and ones

What is the probability of getting a license plate with 123 abc or abc 123?

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?

Chapters 3–5 while reading, think about… author’s purpose/point of view symbolism communication between characters —ethan frome