SOLUTION: A family determined the average cost of maintaining and operating the family car to be about $.30 per mile. On one trip, the family drove at an average rate of 50 miles per hour fo
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Question 456929: A family determined the average cost of maintaining and operating the family car to be about $.30 per mile. On one trip, the family drove at an average rate of 50 miles per hour for a total of 6.5 hours. On the second trip, they drove at an average rate of 55 miles per hour for a total of 6 hours. which trip cost more? how much more?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
50*6.5=325
55*6=330
330-325=5 miles more
5*.30=1.50
The second trip cost $1.50 more.
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