Question 1012151
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A boat can travel 16 kilometers per hour in still water. The boat travels 15 kilometers down a river and then 15 kilometers upstream. The entire trip takes 5.5 hours. What is the equation that describes the current,c, of the river?
A) ((5.5)/(15+c))+((5.5)/(15-c))=16
B) ((5.5)/(16+c))+((5.5)/(16-c))=15
C) ((16)/(15+c))+((16)/(15-c))=5.5
D) ((15)/(16+c))+((15)/16-c))=5.5

***I believe the answer is c but I want to make sure because i had trouble figuring it out*** Please help
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The answer is D).


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