Respuesta :

Answer:

30/t = 18/r

30 = 18t/r

30r = 18t

18t = 30r

18t/18 = 30r/18

t = 5/3r

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30/t = 18/r

30r = 18t/r

30r = 18t

30r/30 = 18t/30

r = 3/5 t

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r = 3/5t, t = 5/3r