There is a handy formula for such questions.
When the same distance is traveled by 2 different speeds , say x and y
avg speed for trip = 2xy/(x+y)
In our case we know y = v and avg speed is 5v/3
5v/3 = 2xv/(x+v)
Solving
x = 5v
Hence C
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Car traveled from Town A to Town B...
Source: Beat The GMAT — Problem Solving |
