SOLUTION: Can someone help me break this down? I have been working on it for an hour and I keep getting the wrong answer. Thank you.
During the first part of a​ trip, a canoeist c
Question 1127952: Can someone help me break this down? I have been working on it for an hour and I keep getting the wrong answer. Thank you.
During the first part of a trip, a canoeist covered 70 km at a certain speed. He then traveled 30 km at a speed that was 4 km/h slower. If the total time for the trip was 8 hr, what was the speed on each part of the trip? Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
speeds times distances
first part r 70/r 70
second part r-4 30/(r-4) 30
total 8
.
.
simplifies into
discriminant, ;
because you will find the MINUS form will not work;