Answer:
17.5 hours
Explanation:
5x-5 over 4 days and the plan to travel 4.5 hours each day. WE have to find how many hours will they drive each day. Now, to find the total time pu x to 4.5 in the above expression. 5(4.5)-5
= 22 * 5-5 = 17. 5 hours over the four days of traveling