SOLUTION: A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream.
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Question 187526: A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream.
Answer by dukesmart(20) (Show Source): You can put this solution on YOUR website!
let x= cruise ship speed; y = stream speed
we can establish the equation as follows:
(x+y)*3 = 48 ========> x + y = 16 ......(1)
(x-y)*6 = 48 ========> x - y = 8 ......(2)
Take (1) add (2) we will have : 2x = 24
x = 12
Therefore y = 16-12
y = 4
Answer : the rate of the stream is 4 miles/hour.
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