Solution to the Problem:

The answer is 19/10.





Correctly solved by:

1. Soonho You JeonJu, South Korea
2. James Alarie Flint, Michigan
3. Allison Davis Delta High School,
Delta, Colorado
4. Katelynn Hope Mountain View High School,
Mountain View, Wyoming
5. Ivy Joseph Pune, Maharashtra, India
6. Tara L. Fiedler ** Goose Creek CISD,
Baytown, Texas
7. Brijesh Dave Mumbai City, Maharashtra, India
8. Figen Furtun Istanbul, Turkey
9. Kelly Stubblefield Mobile, Alabama

** Extra credit for solving it two different ways