Relax

Respuesta :

Answer:

31.4

Step-by-step explanation:

31+4/5(1/2)=31+4/10=31+0.4=31.4

Answer:

30.6

Step-by-step explanation:

4/5 x -1/2 = -4/10

31 + -4/10 = 30.6 or 30 3/5

hope it helped