Car

Car goes from point A to point B at speed 86 km/h and back 53 km/h. If they goes there and back at speed 67 km/h trip would take 10 minutes shorter. What is distance between points A and B?

Correct result:

s =  258.4 km

Solution:

t1=t2+1060 s86+s53=2s67+1060 s=1060(186+153267) s=258.4 km



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