algebra

posted by .

A jogger leaves home and runs at a constant speed of 4 miles per hour. Nine minutes later, a bicyclist follows along the same route at a constant speed of 15 miles per hour. Find the bicyclist's travel time needed to catch the jogger.

  • algebra -

    9 minutes = .15 hour

    they both went the same distance.

    bikers time ---- t hrs
    jogger's time -- t+.15

    15t = 4(t+.15)
    15t = 4t + .6
    11t = .6
    t = .0545 hrs or 3.2727 minutes or 3 min and 16.4 seconds

  • algebra -

    3/11 minutes

  • algebra -

    Junior drove 55.6 miles then he drove 42 1/5 miles. How many miles did he drove in all??

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Algebra

    You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home?
  2. math

    A woman drove to work at an average speed of 40 miles per hour and returned along the same route at 30 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the round trip?
  3. math

    This is an SAT prep question. A woman drove to work at an average speed of 40 miles per hour and returned along the same route at 30 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the …
  4. Math

    If it takes 6 minutes to travel from point A to point B at a constant speed of 60 miles per hour, how many minutes does it take to travel the same route from point A to point B at a constant speed of 50 miles per hour?
  5. math

    If it takes 6 minutes to travel from Point A to Point B at a constant speed of 60 miles per hour, how many minutes does it take to travel the same route from point A to point B a constant speed of 50 miles per hour?
  6. Math

    6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days?
  7. Math

    6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days?
  8. Math

    Ms. Peters drove from her home to the park at an average speed of 30 miles per hour and returned home along the same route at an average speed of 40 miles per hour. If her driving time from home to the park was 20 minutes, how many …
  9. Algebra

    It’s the end of the semester, and sisters Sarah and Chelsea are eager to head home for the summer. It’s a long drive, and Sarah’s old car can manage an average speed of only 55 miles per hour, so she leaves early in the morning. …
  10. algebra

    A student runs 100 meters in 11 seconds. What is the speed of the student?

More Similar Questions