A plumber needs four sections of pipe 2 7/8

feet long. Can this be cut from a 12 foot section? If so, how
much pipe will be left over? If not, why not?

2 answers

What is 4 x 2 7/8 ?
or
4 x 23/8 ?
4 * 2 7/8
4/1 * 23/8 = 92/8 = 11 1/2

12 - 11 1/2 = ?