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December 21, 2014

December 21, 2014

Posted by **Josie** on Thursday, March 14, 2013 at 8:13pm.

Could someone help me.it seams like an easy problem, but I am not getting there.Thank YU very much.

- algebra -
**Reiny**, Thursday, March 14, 2013 at 8:35pmspeed of boat in still water ---- x km/h

speed of current ------- y km/h

x+y = 30

x-y = 16

add them

2x = 46

x = 23

then y = 7

speed in still water is 23 km/h, speed of current is 7 km/h

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