SOLUTION: You and a friend each drive 63 km to the same destination. You travel at 89.7 km/h and your friend at 97 km/h. How long will your friend wait for you at the end of the trip? A

Question 507690: You and a friend each drive 63 km to the
same destination. You travel at 89.7 km/h
and your friend at 97 km/h.
How long will your friend wait for you at
the end of the trip?
Answer in units of min
I'm having problems solving this. What forumla do I use?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
You and a friend each drive 63 km to the same destination.
You travel at 89.7 km/h and your friend at 97 km/h.
How long will your friend wait for you at the end of the trip?
Answer in units of min
:
Let w = time your friend waits for you
Find the time required by each of you to go 63 km, ans will be in hrs, convert to min, mult by 60.
:
w = -
w = .70234 - .64948
w = .05285 * 60 = 3.17 minutes
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