SOLUTION: a truck driver travels 55km in 1 hour. then he travels 35km in 2 hours. he then travels 175km in 3 hours. what is his average speed?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: a truck driver travels 55km in 1 hour. then he travels 35km in 2 hours. he then travels 175km in 3 hours. what is his average speed?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 913029: a truck driver travels 55km in 1 hour. then he travels 35km in 2 hours. he then travels 175km in 3 hours. what is his average speed?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
average speed = ( total distance ) / ( total time )
+%28+55+%2B+35+%2B+175+%29+%2F+%28+1+%2B+2+%2B+3+%29+=+265+%2F+6+
+265+%2F+6+=+44+%2B+1%2F6+
Average speed is 44 and 1/6 km/hr