Chapter 0.2, Problem 6E

To determine

To calculate:How many ways can a person playing the game roll a sum less than 8.

Answer to Problem 6E

There are 21 ways can a person playing the game roll a sum less than 8.

Explanation of Solution

Given information: Each number cube can have 1 number through 6 lands,

Table shows the possible sum of two rolls which is less than 8:

Die 1	Die 2	Total
1	1	2
1	2	3
1	3	4
1	4	5
1	5	6
1	6	7
2	1	3
2	2	4
2	3	5
2	4	6
2	5	7
3	1	4
3	2	5
3	3	6
3	4	7
4	1	5
4	2	6
4	3	7
5	1	6
5	2	7
6	1	7