Zoey took 2.5 hours to bike the 60 km from her house to the beach. It took her 3.5 hours to bike the same distance back to her h
ouse. What was Zoey's average speed? Enter your answer into the box.
1 answer:
Answer:
20 km/h
Step-by-step explanation:
Zoey rode a total of 120 km (there and back) in a total time of 6 hours (=2.5+3.5). Her average speed is given by ...
speed = distance/time = (120 km)/(6 h) = 20 km/h
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