the average age of a lady and her daughter is 28.5 years. the ratio of their a

Question

the average age of a lady and her daughter is 28.5 years. the ratio of their ages is 14 : 5 respectively. what is the daughter's age ?

Options:

A . 7 years

B . 13 years

C . 15 years

D . 18 years

Answer: Option C
Explanation :

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