Respuesta :

Answer:

4

Step-by-step explanation:

8.4x 2 = 16.8

3.2x 4 = 12.8

           ----------

                4.0

Answer:

Step-by-step explanation:

8.4n - 3.2p = 8.4*2 - 3.2*4

                 = 16.8 - 12.8

                 = 4