answer each of the following questions. a. if a hen and a half lay an egg and a half in a day and a half, how long will it take a dozen hens to lay a dozen eggs? b. if 10 painters can paint 15 houses in 9 days, how many days will it take 20 painters to paint 20 houses? c. if 5 painters can paint 3 houses in 7 days, how many days will it take 8 painters to paint 10 houses?
