Question 498720
at start of race two swimmers are side by side.
 One swims at 60 Meters a minute and another at 55 meters a minute.
 Pool is 25 meters.
 how many minutes until the two swimmers are again side by side.
:
Time to swim the length of the pool (25 meters)
1st swimmer: {{{25/60}}} = {{{5/12}}} minute
2nd swimmer: {{{25/55}}} * {{{5/11}}} minute
then we know in 5 min
 1st swimmer swims 12*25 = 300 meters
 2nd swimmer swims 11*25 = 275 meters
:
They should be side-by-side in 5 min