Answer:
- Annie- 17 hours, Brian- 3 hours
Explanation:
Let the number of hours Annie travelled be a, and same of Brian be b
Then we have
Substituting a in the first equation
- 5b + 2 + b = 20
- 6b = 20 - 2
- 6b = 18
- b = 3
Then finding a
So the answer is:
- Annie- 17 hours, Brian- 3 hours