Question 1151050: the age of a mother is three times the age of her daughter what will be the daughter age when her mother is 81 year? Found 2 solutions by MathLover1, ikleyn:Answer by MathLover1(20850) (Show Source):
You can put this solution on YOUR website! let the age of a mother be and the age of her daughter
if the age of a mother is three times the age of her daughter, we have
........eq.1
what will be the daughter age when her mother is year:
........eq.2
the age of a mother :
and the age of her daughter :
in years mother's age will be and daughter's age will be
You can put this solution on YOUR website! .
the age of a mother is three times the age of her daughter what will be the daughter age when her mother is 81 year?
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As this problem / (this question) is worded, printed, posted and presented, it HAS NO a unique answer.
Different / (many) answers are possible.
For example,
1) if now / (today) they are 10 and 30 years old, then the mother will be 81 years old in 81-30 = 51 years;
at that time, the daughter will be 10+51 = 61 years old.
2) if now / (today) they are 15 and 45 years old, then the mother will be 81 years old in 81-45 = 36 years;
at that time, the daughter will be 15+36 = 51 years old.
Answered and explained.
You can create other situations / cases on your own.
