SOLUTION: a mother is 21 years older than her new born daughter how will the daughter be when her age is 1/4 that of her mother's?

Question 731087: a mother is 21 years older than her new born daughter how will the daughter be when her age is 1/4 that of her mother's?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The difference in their ages will always be years
So the mother's age is always
Let = daughter's age when her age is 1/4 that of her mother's

The daughter will be 7 when her age is 1/4 that of her mother's
check:
Mother will be
and
OK
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