total distance: 3+4+2.5 = 9.5 km
total time: 25+40+30 = 95 min
9.5km/95min = 0.1km/min = 6km/hr
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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3 answers
so 6km/hr is the answer??
Thanks Steve I understand