Respuesta :
Answer:
40 days
Step-by-step explanation:
50 deliveries : 5 days
These numbers are directly proportional
10 deliveries : 1 day
400 deliveries : 40 days
Answer:
40 days
Step-by-step explanation:
50 deliveries : 5 days
These numbers are directly proportional
10 deliveries : 1 day
400 deliveries : 40 days