SOLUTION: Granville and Preston are 550 miles apart. A car leaves Preston bound for Granville; at the same time, another car leaves Granville bound for Preston, traveling 10 mph faster than

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Question 269593: Granville and Preston are 550 miles apart. A car leaves Preston bound for Granville; at the same time, another car leaves Granville bound for Preston, traveling 10 mph faster than the other car. If they meet after 5 hours, find the speed of each car.
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Write equations for each:


given:
hrs
hrs
mi/hr
mi
-----------------------
(1)
(1)
(1)
-----------------------
(2)
(2)
(2)
(2)
------------------------
Add (1) and (2)
(1)
(2)

mi/hr
And, since


mi/hr
The 1st car goes 50 mi/hr, the 2nd car goes 60 mi/hr
check:
(2)
(2)
(2)
(2) mi
and
(2)
(2)
(2)
and

OK

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