Question 734394
A car takes 7 hours 50 minutes to travel 549 9/10 km. 
 1) What is the average speed of the car in km per hour?
t = 7 5/6 hours
d = 549.9 = r*t
r = d/t
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  2)how many MINUTES will it take the car to travel 9 1/5 km?
t = (d/r)*60