Respuesta :
Answer:
Nico's solution is correct
Step-by-step explanation:
Lorena introduced a spurious minus sign in the denominator in the next-to-last step, so ended up with a result that has the wrong sign.
Answer:
The Answer is A
Nico is correct because he knew that Negative four-fifths = StartFraction negative 4 over negative 5 EndFraction.