Answers

2015-11-17T18:36:44+05:30
1 + one (3 letters) = 4
4 + four (4 letters) = 8
8 + eight (5 letters) = 13
13 + thirteen (8 letters) = 21
21 + twenty one (9 letters) = 30
30 + thirty (6 letters) = 36 
36 + thirty six (9 letters) = 45

Hope I helped you! :)
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