MATH QUESTION PLEASE HELP!?

Question

A certain type of gutter comes in 6-foot, 8-foot, and 10-foot sections. How many different lengths can be formed using three sections of gutter?

Answer 1

If you can use the same size multiple times:

3 x 3 x 3 = 27

6 6 6

6 10 6

8 8 6

10 6 6

6 6 8

6 10 8

8 8 8

10 6 8

6 6 10

6 10 10

8 8 10

10 6 10

6 8 6

8 6 6

8 10 6

10 8 6

6 8 10

8 6 8

8 10 8

10 8 8

6 8 8

8 6 10

8 10 10

10 8 10

10 10 6

10 10 8

10 10 10

If you can use the same size once:

3 x 2 x 1 = 6

6 10 8

10 6 8

8 10 6

10 8 6

6 8 10                    

8 6 10

Good Luck!