SOLUTION: A truck leaves the dock at 10:00 am going 69 miles per hour. A second truck leaves two hours later going 82 mph. At what time will the two trucks meet up
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Question 659306: A truck leaves the dock at 10:00 am going 69 miles per hour. A second truck leaves two hours later going 82 mph. At what time will the two trucks meet up
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The 1st truck has a head start of
mi
----------------
Now start a stopwatch when the 2nd truck leaves
Both trucks will travel for the same amount
of time until they meet
Let = distance 2nd truck travels
Let = time on stopwatch
------------------
1st truck's equation:
2nd truck's equation:
-----------
By substitution:
hrs
---------------------
10 hrs 36 min and 55 sec is the time elapsed
after 10 AM + 2 hrs or 12 PM
They will meet at 10:36:55 PM
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