Respuesta :

since the sequence is going down by 3, it would be 51
156,153,150,147,144,141,138,135,132,129,126,123,120,117,114,111,108,105,102,99,96,93,90,87,84,81,78,75,72,69,66,63,60,57,54,51

Answer:

51

Step-by-step explanation:

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