1. If they both dig one hole per day for a year, how much extra dirt will Stanley have dug than X-Ray? How many times could that extra dirt fill one of the holes X-Ray digs?
2. Guess how many.
3. Give a guess you know is too high.
4. Give a guess you know is too low.
5. What extra information do you need to answer this question?
Page 12 from Holes by Louis Sachar
6. Decide for yourself how much shorter X-Ray's shovel is than Stanley's.
7. How short would X-Ray's shovel have to be so that he was doing half of Stanley's work every day?