A car left the house traveling north at 10 A.M. Another car left the house traveling south two hours later?

+1 vote

If the cars traveled at the same rate and were 550 miles apart at 4 p.m., what was the rate of each car
[A] 37.5 m.p.h. [B] 45 m.p.h. [C] 55 m.p.h [D] 56.25 m.p.h [E] None of these

asked Dec 23, 2012 in Mathematics by anonymous
    

1 Answer

+1 vote
v = velocity

car 1 = 6v miles

car 2 = 4v miles

so:

6v +4v = 10v = 550

v = 55 mph

choice C
answered Dec 23, 2012 by Luffy ~Expert~ (977 points)

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