Question

- The average age of a woman and her daughter is 25 yr. The
ratio of their ages is 7:3, respectively. What will be the ratio
of their ages after 9 yr?​

Answer 1

Answer:

average age of women and her daughter=25

let age of the women=7x

age of a daughter=3x

according to question:

(7x+3x)÷2=25

(10x)=25×2

10x=50

x=50÷10

x=5

therefore the age of women after 9 yrs =(7x)+9

=(7×5)+9

=41

age of a daughter=(3x)

=(3×5)+9

=24

ratio of their ages=41:24

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