Respuesta :

Answer:

7920/7

Step-by-step explanation:

( 7 x 40) x 4 = 1120 hours/ 28 days

2 days = 2 x 40/7, because 1 day = 40 hours / 7 days

total: 1120 + 80/7  = 7920/ 7 ≈1131,43 hours