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OpenStudy (anonymous):
The numbers in the list 0, 1, 3, 7, x, 31 follow a pattern. Which is x? 9 12 14 15
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OpenStudy (anonymous):
what is 1-0? what is 3-1? what is 7-3?
OpenStudy (anonymous):
Indeed. 1 2 4 See the pattern? Think doubles.
OpenStudy (anonymous):
i got 14 am i right?...
OpenStudy (anonymous):
no. what is the double of 4?
OpenStudy (anonymous):
so its 15?
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OpenStudy (anonymous):
yup
OpenStudy (anonymous):
whats the double of 8? it is 16 15 + 16 = 31 so that is the correct answer
OpenStudy (anonymous):
thanks (:
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