There are two number A and B. A is a 2-digit number which is a multiple of 8. B is a 2-digit number which is a multiple of 24. What is the largest possible difference between the two numbers A and B?

Call A the smaller and B the larger

A = 2* 8 = 16

B = 4 * 24 = 96

l A - B l = l 16 - 96 l = l -80 l = 80