Respuesta :
number of oz per dollar
16 oz / $4.25 (divide 16 by 4.25)
= 3.76 oz / $1
20 oz / $4.55 (divide 20 by 4.55)
= 4.40 oz / $1
20 oz for $4.55 is the best unit rate because you have more oz per dollar (so you get more for the same amount of money)