Answer:
4 is the answer is it right
You round 92 to 90. Then you round 68 to 70. Now you know that 9x7 = 63. You add to zeros to that answer and get 6300. So 92x68 is about 6300. The actual answer of the problem 6256 that will round up to 6300
All you have to do is add 25 to 15.
25+15=40
So, the time he arrives at work is at 7:40 AM.
