3.Β  Solution:
*Find out and input the trip length form take off to landing, store as variable β€˜TL’
*Find out and input how long Marys Delay Time – β€˜DT’
*Calculate LT and TL, store as variable β€˜MT’
*Find out and input available landing times at Courtenay Airport, β€˜AT’
*Compare β€˜MT’ to β€˜AT’
*If β€˜MT’ is later than β€˜AT’ they must go to Smitts Field