# SOLUTION: How many minutes would be saving, by making a 100 kilometer trip at 125 km/hr instead of 80 hr/hr?

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: How many minutes would be saving, by making a 100 kilometer trip at 125 km/hr instead of 80 hr/hr?      Log On

 Ad: Over 600 Algebra Word Problems at edhelper.com Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Word Problems: Travel and Distance Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Travel Word Problems Question 229574: How many minutes would be saving, by making a 100 kilometer trip at 125 km/hr instead of 80 hr/hr?Answer by stanbon(57361)   (Show Source): You can put this solution on YOUR website!How many minutes would be saving, by making a 100 kilometer trip at 125 km/hr instead of 80 km/hr? -------------- Faster trip time: distance = 100 km ; rate = 125 km/hr ; time = 100/125 hr = 4/5 hr ------------------- Slower trip time: distance = 100 km ; rate = 80 km/hr ; time = 100/80 hr = 5/4 hr ---------------------------- Time difference: 5/4 - 4/5 = (25-16)/20 = 9/20 hr ------------- Convert to minutes: (9/20) hr = (9/20)(60 min) = 27 minutes ======================================== Cheers, Stan H.