Can someone help me with this algebra word problem
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Can someone help me with this algebra word problem

[From: ] [author: ] [Date: 11-06-15] [Hit: ]
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Angelo kayaks 20 km upstream in 3 hr and returns in 1.5 hr. How fast is the stream flowing and how fast does Angelo paddle in still water?

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x – speed of Angelo
y – speed of the stream

Equations:

20 km = (x - y) 3 h
20 km = (x + y) 1.5 h

Solution:

x = 10 km/h
y = 3.333 km/h

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