SOLUTION: Marck rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 21 miles. How many miles did Jesse ride his bike during the last half hour?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Marck rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 21 miles. How many miles did Jesse ride his bike during the last half hour?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1165448: Marck rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 21 miles. How many miles did Jesse ride his bike during the last half hour?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
21 mi/1.5 hr=14 mi/hr.
In two hours, he went 14 mi/hr*2 hr or 28 miles,
7 miles in the past half hour, assuming there is a typo and Marck was still riding the bike, not Jesse.