SOLUTION: Clint and Jim rode their bikes to Mill Park at an average of 8 mi/hr. It took them 1 hr longer to return home riding at an average of 7 mi/hr on a route that was 4 mi longer than t

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Question 985003: Clint and Jim rode their bikes to Mill Park at an average of 8 mi/hr. It took them 1 hr longer to return home riding at an average of 7 mi/hr on a route that was 4 mi longer than their route home. How long were they riding their bicycles? How many miles did they ride each way?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Trip to the park: miles in hours at 8 mph. Since :



Return trip: miles in hours at 7 mph.



Substitute from the first equation into the second:



Solve for . Once you know , you can easily get . The total time riding is . The total distance is

John

My calculator said it, I believe it, that settles it