Another 7225

The tourist walked on the plain for 2 hours at a speed of 6 km/h. For another hour, he climbed a steep hill at a speed of 3 km/h. What was his average speed?

Correct answer:

v =  5 km/h

Step-by-step explanation:

t1=2 h v1=6 km/h  t2=1 h v2=3 km/h  s=t1 v1+t2 v2=2 6+1 3=15 km  v=t1+t2s=2+115=5 km/h



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