Respuesta :

Answer:

11.26

Step-by-step explanation:

  1. 6.5 - 5.7 = 0.8
  2. Plug 0.8 in: (7.9) + 4.2 × (0.8)
  3. 4.2 × 0.8 = 3.36
  4. Plug 3.36 in: 7.9 + 3.36
  5. 7.9 + 3.36 = 11.26

I hope this helps!