Respuesta :

Answer:

x = 4.  x = 64, d = 0.60.

Step-by-step explanation:

a. 256 /x = 64

64x = 256

x = 256/64

x = 4.

b.  256/x = 4

4x = 256

x = 256/4

x = 64.

c.  36/d = 60

60d = 36

d = 36/60

d = 0.60.