SOLUTION: dave ran 2 km at 8 km per hour.Andy ran 2km at 10 km per hour.It took dave ___ more minutes than andy to run the 2 km ?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: dave ran 2 km at 8 km per hour.Andy ran 2km at 10 km per hour.It took dave ___ more minutes than andy to run the 2 km ?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 684724: dave ran 2 km at 8 km per hour.Andy ran 2km at 10 km per hour.It took dave ___ more minutes than andy to run the 2 km ?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
dave ran 2 km at 8 km per hour.Andy ran 2km at 10 km per hour.It took dave ___ more minutes than andy to run the 2 km ?
--------------
d = r*t
t = d/r
-----
Find the 2 times, get the difference