Post a New Question

Algebra

posted by on .

Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?

  • Algebra - ,

    8T = 7.5T + 25.
    8T-7.5T = 25
    T = 50 s.

    d = 8*T = 8*50 = 400 m.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question