SOLUTION: Your family takes a road trip to the Great Smoky Mountains. On the way you drive on highways and interstates for 6 hours. Your average speed on highways is the speed limit, 60 mph,

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Question 984523: Your family takes a road trip to the Great Smoky Mountains. On the way you drive on highways and interstates for 6 hours. Your average speed on highways is the speed limit, 60 mph, and your average speed on the interstate was 70 mph. Write an expression for the number of hours travelled on interstate if h is the number of hours travelled on highways.
Answer by josgarithmetic(39614) About Me  (Show Source):
You can put this solution on YOUR website!

                speed        time
INTERST         60           6-h
HGHWAY          70            h          
Totals                        6


The question asks for the expression 6-h.