SOLUTION: A CARGO SHIP SETS OUT ON A RIVER WHO'S CURRENT IS 3 MPH. THE SHIP LEAVES THE DOCK GOING DOWN RIVER AND WILL RETURN TO THE SAME DOCK. HOW FAST CAN THE SHIP TRAVEL IN STILL WATER IF

Question 973064: A CARGO SHIP SETS OUT ON A RIVER WHO'S CURRENT IS 3 MPH. THE SHIP LEAVES THE DOCK GOING DOWN RIVER AND WILL RETURN TO THE SAME DOCK. HOW FAST CAN THE SHIP TRAVEL IN STILL WATER IF IT CAN TRAVEL TO A DOCK 112 MILES DOWN RIVER AND RETURN IN A TOTAL TRAVEL TIME OF 22 HOURS? (note: this 22 hours doesn't include time spent loading/unloading any cargo)
I need help formulating this equation!...please!
IS...
(112/x+3) + (112/x- 3)=22 ???? IS THAT EVEN CLOSE??
PLEASE ....how do i formulate an equation to answer this problem?
Thank you for your time and help!
With appreciation,
Ronald Adams
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A CARGO SHIP SETS OUT ON A RIVER WHO'S CURRENT IS 3 MPH. THE SHIP LEAVES THE DOCK GOING DOWN RIVER AND WILL RETURN TO THE SAME DOCK. HOW FAST CAN THE SHIP TRAVEL IN STILL WATER IF IT CAN TRAVEL TO A DOCK 112 MILES DOWN RIVER AND RETURN IN A TOTAL TRAVEL TIME OF 22 HOURS? (note: this 22 hours doesn't include time spent loading/unloading any cargo)
I need help formulating this equation!...please!
IS...
(112/x+3) + (112/x- 3)=22 ???? IS THAT EVEN CLOSE??
=====================
That's correct.
Solve for x

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