SOLUTION: Training for a triathlon involves running, swimming, and biking. The athlete runs every {{{(2r-2s)}}} days, swims every {{{(4r^2-4rs)}}} days, and bikes every {{{(8rs-8s^2)}}} days

Question 1013762: Training for a triathlon involves running, swimming, and biking. The athlete runs every days, swims every days, and bikes every days. When would the athlete have all three activities on the same day?
Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
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Training for a triathlon involves running, swimming, and biking. The athlete runs every days,
swims every days, and bikes every days.
When would the athlete have all three activities on the same day?
-----------------------------------------------------

Athlets:  2r - 2s = 2*(r-s)

swims:     = 4r*(r-s)

bikes:     = .


The athlete have all three activities on the same day if and when

4r = 8s,   or  r = 2s.

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