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OpenStudy (anonymous):
A positive integer is picked randomly from 11 to 20, inclusive. What is the probability that it is divisible by either 3 or 5? Write your answer as a simplified fraction.
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OpenStudy (anonymous):
there are 10 numbers there to choose from... from those 10, how many are divisible by 3 or 5? don't forget that 15 is divisble by both so don't count it twice...
OpenStudy (anonymous):
ok thanks
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