Answer:
53
Explanation:
You are adding six to each number, 5+6=11 so 6x9-1=53
hope this helps ^^
5,11,17,23,29,..35 ..,41,47,53,59,65,71
5+6 = 11
11+6= 17
17+6= 23
23+6= 29
29+6= 35
35+6= 41
41+6= 47
47+6= 53
53+6= 59
59+6=65
65+6=61
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