Use long division: 2 | 3 | 7 | 8 | 2 23 goes into 78 at most 3 times: | | | 3 | | 2 | 3 | 7 | 8 | 2 | | - | 6 | 9 | | | | | 9 | 2 | 23 goes into 92 at most 4 times: Answer: | | | | | 3 | 4 | 2 | 3 | 7 | 8 | 2 | | - | 6 | 9 | | | | | 9 | 2 | | | - | 9 | 2 | | | | | 0 |