Answer:
17 meters
Step-by-step explanation:
Length refers to the distance from one end of the object to its other end.
Let the length of the large piece be [tex]x[/tex] meters.
Length of the smaller piece = 5 + length of the large piece = [tex]5+x[/tex]
Its given that the length of the smaller piece is 12 meters,
[tex]5+x=12\\x=12-5\\x=7[/tex]
So, length of the large piece = 7 meters
Total length of the carpet = Length of the large piece + Length of the smaller piece = 7 meters + 12 meters = 17 meters