



 
Hi John, Average speed is the total distance divided by the total time. The time is given in two different units, minutes and hours, and you need to decide which units to use. I'm going to use hours.
Add the 4 times to obtain the total time. Distance: If she drives at 68 km/h for 1/3 hours how far does she travel? Perform the same calculation for each of the 4 legs of the trip and add the distances to find the total distance travelled. I hope this helps,  


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