Problema Solution
two dice are rollled. Determine the number of ways that you could get a sum of 5 or 8.
Answer provided by our tutors
Since
5 = 1 + 4 = 4 + 1
5 = 2 + 3 = 3 + 2
8 = 2 + 6 = 6 + 2
8 = 3 + 5 = 5 + 3
8 = 4 + 4
There are 2*4 + 1 = 9 ways to roll 5 or 8.