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anonymous
 5 years ago
The connecticut river flows at a ate of 4km/h for the length of a popular scenic route. In order for a cruiser to travel 60km upriver and then return in a total of 8 hr, how fast must the boat be able to travel in still water?
anonymous
 5 years ago
The connecticut river flows at a ate of 4km/h for the length of a popular scenic route. In order for a cruiser to travel 60km upriver and then return in a total of 8 hr, how fast must the boat be able to travel in still water?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.060 = (v4)t1 60=(v+4)t2 t1+t2 = 8

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0t1 is the time taken upstream, t2 downstream, and v is the speed of the boat

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok. now what do i do?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0use series of substitutions to find v t1 = 8t2 replace 8t2 for t1 in first equation 60 = (v4)(8t2) get t2 by itself in terms of v replace that for t2 in 3rd equation

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0uve got three variables nd three eqns substitute t2 and (8t1) in the first two eqns

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok.... this is tricky.. lol
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