SOLUTION: The times for the race came down with practice. The average time for the 5 racers in the first race was 57 seconds. The average time for the second race was 55 seconds. For the thi

Algebra ->  Divisibility and Prime Numbers  -> Lessons -> SOLUTION: The times for the race came down with practice. The average time for the 5 racers in the first race was 57 seconds. The average time for the second race was 55 seconds. For the thi      Log On


   

Question 176721: The times for the race came down with practice. The average time for the 5 racers in the first race was 57 seconds. The average time for the second race was 55 seconds. For the third race, the average time was 52 seconds. What was the average time for all three races?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
57+55+52/3=54.67 seconds