Question

the average of students is 15 years if the age of a teacher is included their average becomes 18 years .what is the age of the teacher ?

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Answer 1

Answer:

21; the age of the teacher

Step-by-step explanation:

15+x/2=18

Estimate - I estimated in the 20's because it only averaged up a little bit

Started with 23 and kept going until i got to my answer

21

15+21/2

36/2

18

Please mark brainliest :)

Answer 2

I think the age of the teacher is 21