Question

How many 11/5 foot pieces can be cut from a 10 foot piece of pvc pipe?

Answer 1

How many 2-foot pieces can be cut from a 10-foot piece of string?

The answer is 10/2=5 pieces.

Similarly, how many 11/5 foot pieces can be cut from a 10 foot piece of pvc pipe?

10 / (11/5) = 10/2.2 = 4.545 pieces, or 4 pieces with 1.2 foot left over.