SOLUTION: Frank is on a 5 day driving trip across the country. He plans on averaging 9 hours of travel per day. If he has traveled 9, 8, 7, and 11 hours respectively over the first four days

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Question 886158: Frank is on a 5 day driving trip across the country. He plans on averaging 9 hours of travel per day. If he has traveled 9, 8, 7, and 11 hours respectively over the first four days of the trip, how many hours does he need to drive on the last day?
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
If he wants to average 9 hours per day on a five-day trip, he needs to drive a total of 45 hours.
In the first four days, he drives 9+8+7+11 = 35 hours
45 hour - 35 hours = 10 hours remaining for the last day.