Objective:
Find a solution for the POW.
Starter: Wrestle with the Problem (5 min, no talking)
- Write down 4 important factors on the back of your sheet
- Write down 3 ideas or questions about the problem
Janitor POW
Description: Three Janitors work in the same building, however they all arrive at work at different times. The first Janitor arrives at the building and cleans half of the building in 2 hours. The second Janitor arrives and helps the first Janitor clean and they both work together. In 30 minutes they clean up to 75% of the building before the third Janitor arrives. Once the third Janitor arrives all three of them finish cleaning the building in 10 minutes.
Question: How long would it take for each Janitor to clean the building by themselves? (Note each Janitor cleans at a different rate)
Question: How long would it take for each Janitor to clean the building by themselves? (Note each Janitor cleans at a different rate)