Let a1, a2, and a3 be real numbers such that |a1−a2|+|a2−a3|+|a3−a1|=100. What is the largest possible value of |a1−a2|?
Problem: Let a_1, a_2, a_3 be real numbers such that
|a_1 - a_2| + |a_2 - a_3| + |a_3 - a_1| = 100. What is the largest possible value of |a_1 - a_2|?
Answer: 10