Math, asked by appu486, 1 year ago

the mean age of 3 students is 21 years are in the ratio 2:3:4 find the age

Answers

Answered by eduatulrajp3br2d

4

21 years 3 student

21= 2:3:4

21 = 9

21÷9 = 2.33

ages are

(2.33×2):(2.33×3):(2.33×4)

4.6: 7:9.3

4 years 7months

7 years

9 years 4 month

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