If one and one-half teams of men require one and one-half days to shovel one and one-half truckloads of sand, how long will it take one team to shovel one truckload?

Answer 1

one day?

Answer 2

1 team needs 1.5*1.5 = 2.25 days to do 1.5 trucks
so 1 team needs 1.5 days to do one truck