On a recent bushwalking excursion, the party
of hikers travelled 3.5 km in 1 hours 45
minutes. Their average speed was:
A 2.45 km/h
B 2.35 km/h
C2 km/h
D 5.45 km/h
E 1.45 km/h
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A truck took 4 hours to complete a journey. At the first 1 h 45 min, it traveled at an average speed of 70 km/h. For the rest of the journey, it ...
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