Response:
I think it's around 6?
Step-by-step clarification:
300/6=50
750/6=125, and
900/6=150, so I believe there are 6 bracelets, if I'm mistaken, feel free to call me foolish.
Wanda encounters Hector after 4.5 hours. Wanda will not be able to reach Hector before the end of the race because at his current pace (16m/h), he would finish when both reach mile 72, while the race is only 42 miles.
To catch up with Hector at the finish line, Wanda must raise her speed to 21m/h. I have included the answers.
Sari's claim is incorrect because dividing 120.78 by 9.9 equals approximately 12.2, and since 12 is less than 12.2, her estimate is not actually greater than the true result.