10 -people can paint 10 identical rooms in 10 days
(a)In how many days can 20 people paint 20 identical rooms?
(b)How many rooms can be painted by 20 people in 20 days?
(c)How many are needed to paint 20 rooms in 20 days?
10 -people can paint 10 identical rooms in 10 days
(a)In how many days can 20 people paint 20 identical rooms?
(b)How many rooms can be painted by 20 people in 20 days?
(c)How many are needed to paint 20 rooms in 20 days?