Amanda, Bryce, and Corey enter a race in whic they have to run, swin, and cycle over a marked course. Their average speeds are given in the table below. Corey finishes first with a total time of 1h 45min. Amanda comes in second with a time of 2h 3min. Bryce finishes last with a time of 2h. Find the distance (in miles) for each part of the race.

Amanda:
Running - 10 (mi/h)
swimming - 4 (mi/h)
cycling - 20 (mi/h)

Bryce:
Running - 7 1/2 (mi/h)
swimming - 6 (mi/h)
cycling - 15 (mi/h)

Corey:
Running - 115 (mi/h)
swimming - 3 (mi/h)
cycling - 40 (mi/h)

1 answer

5,10,30