The tourist

The tourist came started from the hostel at an average speed of 5km/h. Half an hour later, the bicyclist started along the same route at a speed of 20km/h. How many minutes will a cyclist catch up, and how many kilometers will he go?

Correct answer:

t =  10 min
s =  3.3333 km

Step-by-step explanation:

5 (t/60+30/60)=s s=20 t/60  60s5t=150 60s20t=0  Row2Row1Row2 60s5t=150 15t=150  t=15150=10 s=60150+5t=60150+5 10=3.33333333  s=3103.333333 t=10=10 min
s=3.3333=3.3333 km

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