Sunday

January 25, 2015

January 25, 2015

Posted by **Melissa** on Friday, November 2, 2012 at 1:02am.

- Math -
**Steve**, Friday, November 2, 2012 at 1:33amthe distance is the same, so, with water speed = w,

(r-w)(1) = (r+w)(.5)

and (r-w)(1) = 1, so r = w+1

(r+w)(.5) = w+.5 = 1, so w = 1/2

so,r = 3/2

check:

upstream: 1 mile/1mph = 1 hour

1 mile/2mph = .5 hour

**Answer this Question**

**Related Questions**

pysics - A river is one mile wide and the water flows at the rate 3 miles/hour. ...

Math - The speed of the current in a stream is 4 mi/hr. It takes a canoeist 96 ...

algebra - A canoeist can paddle 12 km upstream and 12 km back downstream in the ...

Algebra - The speed of the current in a stream is 4 mi/hr. It takes a canoeist ...

math - If I am in a canoe race and my friend is a half mile ahead of me, if I ...

Intermediate Algebra - in still water, a paddle boat averages 10 miles per hour...

algebra - joe is planning a 5 hour canoe trip. he can paddle 4 miles per hour in...

Physics - A man (mass 120.5 kg) is canoeing with his friend (mass 81.6 kg). He ...

Physics - A canoeist is trying to paddle upstream in a river that has a velocity...

Honors Physics - A canoeist is trying to paddle upstream in a river that has a ...