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:)