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#13027

counting

probability

medium

60 sec

Yesterday, 650 people visited a museum. Each visitor was either an adult, a child, or a senior. The probability that a randomly selected visitor was an adult was 0.56, and the probability that they were a child was 0.18. How many seniors visited the museum yesterday?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.