SOLUTION: The speed of a boat in still water is 8 miles per hour. The boat travels 3 miles upriver and 3 miles back in 1 hour. What is the speed of the river?

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Question 879931: The speed of a boat in still water is 8 miles per hour. The boat travels 3 miles upriver and 3 miles back in 1 hour. What is the speed of the river?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
______________speed_________time_________distance
Upriver_______8-c___________(___)__________3
Downriver_____8+c___________(___)__________3
TOTAL________________________1 hour

Uniform rates travel equation RT=D, gives T=D/R. Fill-in the missing times information, and solve for c.