Respuesta :

Answer:

26.411

Step-by-step explanation:

Given that:

3a + bc - c

when;

a = 8.6

b = 2.3

c = 0.47

Then;

= 3(8.6) + (2.3)(0.47) - 0.47

Open brackets

= 25.8 + 1.081 - 0.47

= 26.411