Answer:

Step-by-step explanation:
Given that both men moves at constant speed on the same trail, the motion equations that describes each motion are, respectively:
Man 1

Man 2

Where x is measure in kilometers and t in hours, respectively.
The time taken for both men to meet each other is:



It increased by 7.7 degreese because it goes from -16.5 to -8.8. You would have to subtract 8.8 from 16.5 but it is easier to make them positive.
113.10
because the 9 is greater than 5
50 because if she has 3 suit cases that 'could' weigh 50 pounds, then the average of those is also 50.