SOLUTION: a boat can travel a 9 minles upstream in the same time amount of time it takes to travel 11 miles downstream. if the current of the river is 3 miles per hour, complete the chart be

Question 31132This question is from textbook Intro Algebra
: a boat can travel a 9 minles upstream in the same time amount of time it takes to travel 11 miles downstream. if the current of the river is 3 miles per hour, complete the chart below and use it to find the speen r of the boat in still water

Dis= rate * time
upstream 9 r-3
downstream 11 r+3 This question is from textbook Intro Algebra

Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
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a boat can travel a 9 minles upstream in the same time amount of time it takes to travel 11 miles downstream. if the current of the river is 3 miles per hour, complete the chart below and use it to find the speen r of the boat in still water
Dis= rate * time
upstream 9 r-3...NO IT IS 9=(R-3)*T.....................I
downstream 11 r+3..NO IT IS ...11=(R+3)*T..................II
EQN.II/EQN.I GIVES
(R+3)T/(R-3)T = 11/9
(R+3)/(R-3)=11/9
(R+3+R-3)/(R+3-R+3)=(11+9)/(11-9)=20/2=10
2R/6=10
R/3=10
R=10*=30
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