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Mike is three times as old as his sister Mary in 4 years he will be twice as old as Mary how old is Mary?
Wiki User
∙ 13y ago
Write and solve two simultaneous equations.
a = Mary's age
b = Mike's age
Age now: b = 3a
Age in 4 years: b + 4 = 2(a + 4)
Wiki User
∙ 13y ago
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If Three years ago Mary was three times as old as her sister now Mary is twice as old as her sister how old is Mary now?
Mary is dead
Mike is three times as old as his little sister Mary in 4 years he will be twice as old as Mary how old is Mary?
Mary is 4 years old. [A+]
Mike is three times as old as his little sister Mary In 4 years he will be twice as old as Mary How old is Mike?
12,4...16,8
Jill present age is three times her sister's age two years ago If Jill is 18 years old how old is her sister now?
her sister is approximately 5 years, and 3 months old
Roger's age is two times the age of his sister last year his age was three times the age of his sister how old is Roger?
Roger's age is 4.ExplanationRoger is 4 years old. That's two times the age of his sister, who is 2 years old.Last year, Roger was 3 years old, and his sister was 1; Therefore making Roger 3 times his sister's age.
If Three years ago Mary was three times as old as her sister now Mary is twice as old as her sister how old is Mary now?
Mary is dead
Mike is three times as old as his little sister Mary in 4 years he will be twice as old as Mary how old is Mary?
Mary is 4 years old. [A+]
Mike is three times as old as his little sister Mary In 4 years he will be twice as old as Mary How old is Mike?
12,4...16,8
David is eight years older then his sister In three years he will be twice as old as she will be How old are they now?
Sister = 5 David = 13
Emily is four years oldHer big sister Amy is three times as old as emilyhow old will Amy be when she is twice as old as Emily?
Amy will be 16 when she is twice as old as Emily at 8.
Zoron is ten years older than his sister in three years he will be twice as old as she will be then How old are they now?
Zoron will be seventeen and his sister will be seven
Mike is three times as old as his little sister Mary. In 4 years he will be twice as old as Mary. How old is Mike?
Mike is 12. Mary is 4. In 4 years, Mike will be 16 and Mary will be 8. So Mike will be twice as old as she is in four years.
IF A boy is 4 years old and his sister is three times as old as he is .When the boy is 12 years old how old will his sister be?
20
If Jack will be two years from being twice as old as your sister Jen and the sum of Jack's age and three times Jen's age is sixty six years old so how old is Jen?
Jennifer Anistan? probily 29.
Jill present age is three times her sister's age two years ago If Jill is 18 years old how old is her sister now?
her sister is approximately 5 years, and 3 months old
Roger's age is two times the age of his sister last year his age was three times the age of his sister how old is Roger?
Roger's age is 4.ExplanationRoger is 4 years old. That's two times the age of his sister, who is 2 years old.Last year, Roger was 3 years old, and his sister was 1; Therefore making Roger 3 times his sister's age.
Krishna twelve years old is three times as old as his brother. How old will Krishna be when he is twice as old as his brother?
Krishna is 12 and three times as old as his brother, who must be 4. In 4 years time when Krishna is 16 he will be twice as old as his brother, who will then be 8.
