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Mathematics 8 Online
OpenStudy (anonymous):

A car travels for an hour at a speed of 20 km/r, the next two hours at a speed of 65 km/r and the final hour at a speed of 85 km/r. What is the average speed of the car for the entire trip?

OpenStudy (anonymous):

|dw:1405400349791:dw|

OpenStudy (anonymous):

In the first hour how many km did the car travel?

OpenStudy (anonymous):

yes I am still here waiting for your response.

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