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A car travelled at 60 kph for the first 4 hours and 75kph for the next 5 hours. What is average speed of the car for the entire trip​.

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NOAHOSMONTHIN

# Let x be the average speed of the car for the entire trip.

# Then, x = (60*4 + 75*5)/(4+5)

# x = (240 + 375)/9

# x = 615/9

# x = 68.33

# So, the average speed of the car for the entire trip is 68.33 kph.

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