Question

(6)The ratio of the ages of a girl and her mother is 3:11.If the girl is 9 years old, find the age
of the mother.
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Answer 1

Step-by-step explanation:

let the mother age be x

then the ratio of mother and girl is 3;11

by problem,

3/11=9/x

after cross multipilcation

3x=99

x=99/3=33

therefore  the mothers age is 33

Answer 2

Step-by-step explanation:

let the mother age be x

then the ratio of mother and girl is 3;11

by problem,

3/11 = 9 / x

after cross multipilcation

3x = 99

x = 99/3 = 33