SOLUTION: Q Travelled 15km took 9 mins and 15 seconds; what is average speed in km/hr So I am using the formula rate=distance/time So Rate = 15000 (meters)/555 seconds = 27.02 is this ri

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Q Travelled 15km took 9 mins and 15 seconds; what is average speed in km/hr So I am using the formula rate=distance/time So Rate = 15000 (meters)/555 seconds = 27.02 is this ri      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 953988: Q Travelled 15km took 9 mins and 15 seconds; what is average speed in km/hr
So I am using the formula rate=distance/time
So Rate = 15000 (meters)/555 seconds = 27.02 is this right. how do i convert to km/hr? or am I doing it wrong

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Travelled 15km took 9 mins and 15 seconds; what is average speed in km/hr
So I am using the formula rate=distance/time
So Rate = 15000 (meters)/555 seconds = 27.02 is this right. how do i convert to km/hr? or am I doing it wrong
====================
Your answer is correct, but dividing meters by seconds --> 27.02 m/sec
27.02 m/sec * 60 sec/min * 60 min/hr = 97272 m/hr * 1 km/1000 m = 97.272 km/hr
------------
Notice how the units cancel if you do the right operation.