Respuesta :

Answer:

60

Step-by-step explanation:

Add 6 to 50: 50+6=56. When you add 6 to 50 you get 56. After that add 4

(50+___)+4 the blank is 6

so: (50+6)+4

50+(___+4) the blank is 6

so: 50+(6+4)

50+___ the blank is 10

=60