Posted by James on Wednesday, February 27, 2013 at 5:40pm.
George walks 3 km on Monday and 4 km of Tuesday and 2.5 km on Thursday . On Monday, he walked 25 mins., Tuesday 40 mins., and Thursday 30 mins. What is his average speed?
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Math  Steve, Wednesday, February 27, 2013 at 6:20pm
total distance: 3+4+2.5 = 9.5 km
total time: 25+40+30 = 95 min
9.5km/95min = 0.1km/min = 6km/hr

Math  Megan, Wednesday, February 27, 2013 at 8:41pm
so 6km/hr is the answer??

Math  James, Wednesday, February 27, 2013 at 8:47pm
Thanks Steve I understand
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