Mathematics, 25.12.2019 00:31 babyj93
Akayaker spends a morning paddling on a river. she travels 9 miles upstream and 9 miles downstream in a total of 6 hours. in still water, she can travel at an average speed of 4 miles per hour. what is the average speed of the river's current in miles per hour?
a) 1 mi/h
b) 2 mi/h
c) 3 mi/h
d) 1.5 mi/h
Answers: 3
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Akayaker spends a morning paddling on a river. she travels 9 miles upstream and 9 miles downstream i...
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