SOLUTION: dylan drove to the beach which is36 kilometers away at 48 kph he drive home the next day at 60 kph how many hours did he spend driving?
How do I set this up????
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How do I set this up????
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Question 227076: dylan drove to the beach which is36 kilometers away at 48 kph he drive home the next day at 60 kph how many hours did he spend driving?
How do I set this up???? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! You need 2 equations: 1 for going to the beach,
and one for returning
given: km km/hr km/hr
---------------------
I can now rewrite the equations
This is 2 equations and 2 unknowns, so I can solve
and
Note that hr x min/hr = min
and hr x min/hr = min min min
and
He spent 1 hour and 21 min driving
check answer:
and
OK
