Respuesta :

Answer:

45

Step-by-step explanation:

18 + 9 = 27

27 + 9 = 36

36 + 9 = 45

Thus,

45 is the answer.

Hope this helps :)

Answer:

45

Step-by-step explanation: 18, 27, 36, 54 are all the multiples of 9..

so..

9*2=18

9*3=27

9*4=36

9*5=45

and, 9*6=54

therefore, the missing number is 45.

HOPE IT HELPS:)