Friday

April 18, 2014

April 18, 2014

Posted by **todd** on Friday, July 6, 2012 at 8:36am.

at a certain speed. the canoeist travles 7 miles on the second

part of the trip at a speed of 5 mph slower. the total time

for the trip is 5 hrs. Ehat is the speed on each part of the trip?

- algebra -
**Anonymous**, Friday, July 6, 2012 at 9:26amAssume the speed for the first trip is v and the speed for the second trip is

(v - 5)

Since time = distance/speed, you get:

(70)/(v) + (7)/(v - 5) = 5 hrs.

Solve for v to get the first speed, then subtract 5 to get the second speed.

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