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A boy is 5 years old and his sister is twice as old. When the boy is 8 years old how old will his sister be?
Wiki User
∙ 13y ago
Depends on the day this would be considered and when their birthdays are to get technical, but if it is the same day of the year 3 years later then she is 13.
Wiki User
∙ 13y ago
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A boy is 17 years old and his sister is twice as old when the boy is 23 years old what will be the age of this sister?
The boy's sister would then be 34. do the math.
If a boy is 6 and his sister is twice his age how old is his sister?
12
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
If you are Three years older than your sister and in 20 years your sister will be twice as old as you are now how old is your sister and you?
Let you be x years old now Let your sister be y years old now Right now: x+3 = y In 20 years you are x+20 and your sister is y+20 years old (y+20)=2x plugging in y from the first equation: [(x+3)+20]=2x x+23=2x x = 23 y = 23+3 = 26 To check, the answer if you are 23 now an your sister is 26 now in 20 years your sister will be 46 which is twice 23.
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.
A boy is 17 years old and his sister is twice as old when the boy is 23 years old what will be the age of this sister?
The boy's sister would then be 34. do the math.
A boy is 5 years old and his sisters is twice as old When the boy is 8 years old will his sister be?
13
Another boy is x years old his sister is twice as old as he is the sum of their ages is 27 how old is the boy?
The boy is 9 years old and his sis is 18 years old
How old is a boy who is twice as old as his sister and half as old as their father.In 50 years his sister will be half as old as their father?
There can be no proper answer as the father will not live to be 150 years old.
If a boy is 6 and his sister is twice his age how old is his sister?
12
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
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
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
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+]
If you are Three years older than your sister and in 20 years your sister will be twice as old as you are now how old is your sister and you?
Let you be x years old now Let your sister be y years old now Right now: x+3 = y In 20 years you are x+20 and your sister is y+20 years old (y+20)=2x plugging in y from the first equation: [(x+3)+20]=2x x+23=2x x = 23 y = 23+3 = 26 To check, the answer if you are 23 now an your sister is 26 now in 20 years your sister will be 46 which is twice 23.
A boy is 17 years old and his sister is twice as old When the boy is 23 what will be the age of his sister?
She will be twenty. Right now he is 4 and she is 3 x 4 or 12. Add 8 to make him 12 and that makes her 20.
