Respuesta :
Answer:
The better unit rate deal is 40 lenses for 120 dollars.
Step-by-step explanation:
64/16 = 4 while 120/40 = 3
Answer:
so the best one to buy is 40 contact lens for $120
Step-by-step explanation:
64/16= 4 dollars per lens
120/40= 3 dollars per lens