Suppose we roll a pair of dice. What is the probability that the sum is 6 or 7?

Question

math question, please help 

Answer 1

1, 5

5, 1

2, 4

4, 2

3, 3

1, 6

6, 1

2, 5

5, 2

3, 4

4, 3

 

Now what is the total number of possibilities?