Asked by Taijin
Nafi can row down a 20- mile stream in 2 hours and can return in upstream in 5 hours.What is his average rate,in miles per hour,for the entire trip?
a.10/7
b.7/2
c.20/6
d.3
e.40/7
a.10/7
b.7/2
c.20/6
d.3
e.40/7
Answers
Answered by
Steve
avg rate = (total distance)/(total time) = (20+20)/(2+5) = ?
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