if a plumber has a 12 feet pipe and he cut it into 3 parts, should the dnominator be 3 or 12?

Question

im trying to help meh lil sis with some homework (third grade homework) can somebody help meh with this prob?

Answer 1

The 12 feet pipe is divided into 3 parts, so the Denominator is 3:

12 / 3

(And, each part will be 4 feet long).