1. Find three consecutive numbers whose sum is 102.
2. If Jill gives Jack 5 cookies, he will have 3 times as many cookies as Jill. If Jack gives Jill 5 cookies, they will have the same number of cookies. How many cookies do they each have?
3. I am a two digit number. I am the difference of two numbers whose sum is 36. The larger of these numbers is twice the smaller. What number am I?