SOLUTION: Please help me to solve this problem,, A crew rowed upstream from A to B and then back to C between A and B. the time from A to B 1hour and from B to C is 12 minutes. the distan

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Question 1145965: Please help me to solve this problem,,
A crew rowed upstream from A to B and then back to C between A and B. the time from A to B 1hour and from B to C is 12 minutes. the distance from B to C is 1/3 of the distance between A and B..
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52806) About Me  (Show Source):
You can put this solution on YOUR website!
.

It would be good to know what is your question

(if it is not a secret, of course . . . )



Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
k, speed of the stream current
r, speed for crew if not in current
d, distance between A and B
d/3, distance between B and C 

               SPEED    TIME      DISTANCE

A to B          r-k       1        d

B to C          r+k      1%2F5      d%2F3

What do you want to know how to do? The description seems to make for three unknown numbers. Some part of the description may have been omitted.