19. 10 divided by 3 = 5 pounds 20. 5.5 divided by .5 = 11 21. no because 1.25 x 2.5 = 3.12 and she only has $3 22. the restaurant because the restaurant wants to buy 30lb and its $1.25 so 30 x 1.25 = 37.5 and the hotel buys 12 lb for $3 so that is 12 x 3= 36