Mathematics

Mathematics, 14.07.2019 00:30, jeanniebyrd54

Asmall train at an amusement park is carrying passengers. half of the passengers are 6 years old, 1 over 10 are 7 years old, 1 fifth are 8 years old, and 1 fifth are 9 years old. what is the expected age for one of the passengers on the train? 6 years 7.1 years 8 years 8.5 years

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