Problema Solution
troy was trying to catch up with the rest of his group,who had left earlier on a kayaking trip. troy paddled 8 hours downstream,covering 72 mies before realixing that he had passd his campground, He had to paddle back upstream for 18 miles to get back to his group's campground. If the trip back took Troy 6 hourx, how fast was the river flowing (in mph)?
Answer provided by our tutors
let the speed of stream be x and his sppedd be v
His total speed i.e (v+x) is
72/8=9=v+x
while upstrea, 18/6=3=v-x
solving both the equation we get
x=3miles/hr