Answer :
There will be 23 highway signs on the road trip, including one at the end of the road trip.
The total length of the road trip is 13.8 hours. To solve for the number of highway signs on the road trip, we need to use the formula for finding out how many times a certain number can fit into another number. This formula is N = A/B, where N is the number of times B can fit into A. In this case, B is the time between highway signs (0.6 hours) and A is the total length of the road trip (13.8 hours). Plugging these values into the formula, we get N = 13.8/0.6 = 23. So, there will be 23 highway signs on the road trip, including one at the end of the road trip.
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