A car travel at x km per hour for 1 hour and at y km per hour for 2 hours. Find its average speed
a
\(\frac{2x + 2y}{3}kmh^{-1}\)
b
\(\frac{x + y}{3}kmh^{-1}\)
c
\(\frac{x + 2y}{3}kmh^{-1}\)
d
\(\frac{2x + y}{3}kmh^{-1}\)
Explanation
Correct Option
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