SOLUTION: Andy is driving in a straight line on the freeway heading east. Morgan is driving on the same freeway heading west. At 1:00 p.m., they are exactly 60 miles apart. They pass each
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Question 979108: Andy is driving in a straight line on the freeway heading east. Morgan is driving on the same freeway heading west. At 1:00 p.m., they are exactly 60 miles apart. They pass each other at 1:30 p.m. If Andy is driving at 55 miles per hour, at what speed is Morgan driving?
Please explain in detail! Thanks.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
When they are mi apart, Just imagine
that one of them, say Morgan, stops and the
other, Andy, starts heading toward Morgan at
the sum of their speeds.
--------------------------
Let Morgan's speed = mi/hr
The sum of their speeds is: mi/hr
They pass eachother in hr
--------------------------
Now I can say:
Morgan is driving 65 mi/hr
--------------------------
check:
Andy's equation:
mi
--------------------
Morgan's euation:
mi
--------------------
mi
OK
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