efab to the dose not obom bris nsibem nsam sril AS 48 TT 80,08 186 7. The ages of 6 fourth year students are 16, 15, 14, 17, 18 and 16. If the mean of their ages together with the age of their teacher is 18, how old is their teacher? 8. The mean annual salary of 3 government employee is P80,000.00. Can one of the employees receive an annual salary of P250,000.00?

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