Posted by **Catherine** on Sunday, March 10, 2013 at 10:13pm.

Austin is in his pedal boat. It takes him 1.5 hours to travel 12 miles downstream and 6 hours to return. What is the rate of the current?

Please show me how to solve it as well, I really have no idea. Thanks.

- Math -
**Steve**, Monday, March 11, 2013 at 1:42am
if boat speed = b, and river speed = r, then since speed = distance/time,

b+r = 12/1.5 = 8 (downstream)

b-r = 12/6 = 2 (upstream)

b=5,r=3

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