Question

The average age of three girls is 35 year. The ratio of their age is 3: 5 : 07 . find age of of the youngest one. pls tell I'll mark as brainliest....​

Answer 1

Answer:

Answer 3 the average age of three girls 45

Answer 2

let the first girl age be =3x

let the second girl age be = 5x

let the third girl age =7x

3x+5x+7x =35×3

15x=105

x=105/15

x=7

first girl age be= 3x

=21

hope it's help full

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