SOLUTION: Nickola swam at a rate of 4 ​km/hr and ran at a rate of 11 ​km/hr for a total distance traveled of 80.5  km. If he completed the race in 10 ​hours, how long did he take

Algebra ->  Equations -> SOLUTION: Nickola swam at a rate of 4 ​km/hr and ran at a rate of 11 ​km/hr for a total distance traveled of 80.5  km. If he completed the race in 10 ​hours, how long did he take       Log On


   

Question 1192858: Nickola swam at a rate of 4 ​km/hr and ran at a rate of 11 ​km/hr for a total distance traveled of 80.5  km. If he completed the race in 10 ​hours, how long did he take to complete each part of the​ race?
The time Nickola spent swimming is ____ ​hours, and the time he spent running is
  
_____ hours.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
              SPEED        TIME            DISTANCE

swam             4          10-x           4(10-x)

ran             11           x              11x

TOTAL                       10                 80.5

highlight_green%284%2810-x%29%2B11x=80.5%29
Solve,...