Before 17911

Two trucks drove at the same time from two places 570km apart. The first will travel 61 km in an hour, and the second 81.5 km. How long before they meet?

Correct answer:

t =  4 h

Step-by-step explanation:

v1=61 km/h v2=81.5 km/h s=570 km  t=v1+v2s=61+81.5570=4 h



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