Question

Jeb took 1 hour 40 minutes to complete a road race that was three laps around a section of the city. He took 1/4 of the total time to run the first lap and 1/3 of the remaining time to run the second lap. The rest of the time was used to run the third lap. How many minutes did it take jeb to complete the race? How many minutes did he take to run the third lap of the race?

Answer 1

Jeb took 1/4 of 100 minutes(1 hour 40 minutes) =25 minutes for the first lap. . so the rest 75 minutes , Jeb took 1/3 time so 25 minutes  for the second lap , the third lap Jeb took 100-50 = 50 minutes .