Respuesta :

I think it should be 171.39

Answer:

8

Step-by-step explanation:

167.39 is right but it can be simplified.

1.61 was replaced by (161/100).

3 more similar replacement(s)

  839          2      161

 (——— +  (0 -  —)) +

  100          1      100

639 + 161     8

—————————  

   100        1

Sorry if it looks confusing