John, Rick, and Molli paint a room together.
a. Pick a reasonable amount of time in which the three friends can paint the
room together. Also pick a reasonable amount of time in which John can
paint the room alone and a reasonable amount of time in which Rick can
paint the room alone.
Reasonable amount of time for all three friends to paint the room together: 5 hours
Reasonable amount of time for John to paint the room alone: 7 hours
Reasonable amount of time for Rick to paint the room alone: 8 hours