Posted by Ava on Wednesday, January 22, 2014 at 7:06pm.
What is Bobby's number? It is between 15 & 25. If you subtract the tens digit from the ones digit, the difference is 8.

math  Ms. Sue, Wednesday, January 22, 2014 at 7:16pm
16, 17, 18, 19, 20, 21, 22, 23, 24
Which of those numbers meets the criterion.