deepeshvcd6273 deepeshvcd6273

25-07-2020
Mathematics

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The average age of 15 students is 16 years. If teacher’s age is included the average increases
by 1. Find teacher’s age

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Аноним Аноним

25-07-2020

31

because 15 +16 :31

[tex]. = y1 = \times [/tex]

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