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jmc

prealgebra intermediate

Problem

An integer is randomly selected from the integers 0 through 99, inclusive. What is the probability that the integer is in the range 10 through 20, inclusive? Express your answer as a common fraction.
Solution
There are integers between 0 and 99 inclusive and integers between 10 and 20 inclusive. The probability of selecting one of 11 integers among 100 is .
Final answer
\frac{11}{100}