Question 3
Saro plans a party for 78 guests and writes invitations for Beaver to deliver:
- Saro writes exactly 15 invitations each day.
- At the end of each day, after writing 15, Saro gives them to Beaver.
- Early the next morning Beaver starts delivering. Because the distances are long, Beaver can deliver only 10 invitations per day.
What is the least number of days until all 78 required invitations have been delivered?
- Saro writes exactly 15 invitations each day.
- At the end of each day, after writing 15, Saro gives them to Beaver.
- Early the next morning Beaver starts delivering. Because the distances are long, Beaver can deliver only 10 invitations per day.
What is the least number of days until all 78 required invitations have been delivered?