SOLUTION: I have 2 questions I can't seem to figure out, and I can't find examples to apply in the text. The first is a word problem... "Barry paddles his boat to his campsite with a

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Question 187331This question is from textbook Introductory and Intermediate Algebra
: I have 2 questions I can't seem to figure out, and I can't find examples to apply in the text. The first is a word problem...
"Barry paddles his boat to his campsite with a 4 km/hr current: It takes him 3 hrs. On his way back to the same point agisnt the current, the trip takes him 7 hours. What is the speed of Barry's boat in still water?:,(and why should I care?) I have tried finding a formula containing a current, and I can't find one... This question is from textbook Introductory and Intermediate Algebra

Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
With current:

Against current:

Math excercises are just pushups for the brain.
They can be about boats in water or alligators in mud
What good are pushups? Maybe no good at all.
You decide.