Answers

2015-12-11T20:08:23+08:00
That value would be 80.

80-23= 57 and 57<58 
so that would make 80 the largest value of N that when it is subtracted by 23 it would still be less than 58.
1 5 1
2015-12-12T09:03:22+08:00
The biggest number is 80.
1 5 1