Tourist

Tourists walk at 4.2 km/h. They take a 10-minute break every 6 km. How many kilometres did they walk if they started at 4:40 and finished at 21:40?

Final Answer:

x =  64.4 km

Step-by-step explanation:

v=4.2 km/h s=6 km t1=10 min h=10:60  h=0.16667 h  t2=vs=4.26=7101.4286 h v2=t1+t2s=0.1667+1.42866=672523.7612 km/h  T1=4:40=4 hr 40 min =4+6040=4.6667 hr4.6667 T2=21:40=21 hr 40 min =21+6040=21.6667 hr21.6667  T=T2T1=21.66674.6667=17 h  s2=s sv2 T=6 63.7612 17=60 km  t3=s2/v2=60/3.7612=2133515.9524 h t4=Tt3=1715.9524=21221.0476 h  x = s2+s3 x=s2+t4 v=60+1.0476 4.2=64.4 km



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algebraarithmeticbasic operations and conceptsUnits of physical quantitiesGrade of the word problem

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