Respuesta :

1) 0.25 (0) - 0.75
0 - 0.75 = -0.75

2) 0.25 (5) - 0.75
1.25 - 0.75 = 0.5

3) 0.25 (9) - 0.75
2.25 - 0.75 = 1.5

Hope this helped