Respuesta :

Answer:

9.65 Hours

Step-by-step explanation:

(100 × 555.65) ÷ 85 =

55,565 ÷ 85 = 653.705882352941 = 653.71

12 x 1.5 = 18

12 x 40=480

653.71 - 480 = 173.71

173.71 ÷ 18 = 9.65055555556 = 9.65