Answer:
(7y + 4) • (5y + 9)
Step-by-step explanation:
Answer: It would take 1 hour and 30 minutes for one people do it.
If 5 people do it would take less time. If there are 5 people delivering the letters it would take them 12 minutes ti deliver all 1,000 letters.
Answer:
52.5
Step-by-step explanation: