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5 November, 12:34

Different varieties of field daisies have numbers of petals that follow a fibonacci sequence. Three varieties have 13,21, and 347 petals.

How many petals do the next two varieties of field daisy have?

a. 42, 55

b. 47,60

c. 42,50

d. 55,89

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  1. 5 November, 12:52
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    The answer is letter d. The Fibonacci Sequence states to add the 2 previous number to get the next number starting with 1. So, 1 + 0=1, 1+1=2, 1+2=3, 2+3=5,3+5=8, 5+8=13, etc ...

    I added 13+21 to get 34. Then add 21+34 to get 55. Then add 34+55 to get 89.
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