SOLUTION: At noon, Sheila left a boat landing and paddled her canoe 20 km downstream and 20 km back. If she traveled 10km/h downstream and 4km/h upstream what time did she arrive at the lan
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Question 516032: At noon, Sheila left a boat landing and paddled her canoe 20 km downstream and 20 km back. If she traveled 10km/h downstream and 4km/h upstream what time did she arrive at the landing??
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Avg speed = 2*10*4/(10+4) = 40/7 km/hr
40 km roundtrip at 40/7 km/hr takes 7 hours
Noon + 7 = 1900
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