Respuesta :
Answer:
it should be 12 to 21 pounds
Step-by-step explanation:
thats if we are starting at 0 boxes if it starts at 1 box then 12 should be 13
Answer:
the range goes from 13 to 21
Step-by-step explanation:
13 because if she is delievering she must have at least a box to deliever
so 12+1= 13 pounds
21 when she delievers all the 9 boxes