John just completed painting a chair red for a client. The client calls to know when will the chair be delivered to him. The technical manual states that it takes a maximum of 5 hours for a chair to dry. Sam, one of John's colleagues, tells him that the last time he painted a chair, it took 3 hours to dry. After the chair is ready, John must deliver it to the client. Depending on the traffic, it will take him 1-2 hours to deliver the chair. Choose the correct option based on the given information. Which of the given statements must be true in order for John to be able to promise delivery of the chair within 6 hours? OPTIONS The chair is made of a type of wood that dries fast. It is a day with relatively light traffic. The manual states that red paint dries in less than 4 hours. Sam had painted the chair that he mentioned in red.

Alex can paint a wall in 4 hrs. Beth can paint the same wall in 5 hrs. How much time will it take to paint the wall if they work together?

Harry, Annie and Mitch decided to paint the living room.Harry could paint the room by himself in 3 hours.Annie could do it in 4 hours and Mitch would take 6 hours on his own.If they all work together and don't get in each other's way, how long will the job take?

William and Stephanie are painting the bedrooms in their house. If he had to paint the bedrooms himself, it would take William 4 hours to complete the job. If Stephanie alone were to paint the bedrooms, it would take her 6 hours.Working together, how long will it take William and Stephanie to paint the bedrooms?

If it takes 3 people 2 hours to paint a wall, how long will it take 6 people to paint the same wall, assuming they work at the same rate?

Nancy can paint a fence in 3 hours.  It takes Ben 4 hours to do the same job.  If they were to work together to paint a fence, approximately how many hours should it take?