SOLUTION: What is the next term in the series 1,1,2,3,5,8,13...? A)18 B)21 C)13 D)9 E)20

Algebra ->  Algebra  -> Sequences-and-series -> SOLUTION: What is the next term in the series 1,1,2,3,5,8,13...? A)18 B)21 C)13 D)9 E)20      Log On

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Question 611113: What is the next term in the series 1,1,2,3,5,8,13...?
A)18
B)21
C)13
D)9
E)20
Answer by vleith(2825) About Me  (Show Source):
You can put this solution on YOUR website!
every term is the sum of the two previous terms
1+1 = 2
1+2 = 3
2+3 = 5
etc
so the next term is
8+13 = 21