Respuesta :

parkerfreeze

I don't know if this is right but 0.125

altavistard

Answer:

1/8

Step-by-step explanation:

Substitute -1/4 for r and 4/5 for s in -2r/5s:

-2(-1/4) / (5*4/5) = 1/2 / 4 = 1/8 (answer)