SOLUTION: Jose is 11 years old. Next year he will be 4 times as old as his sister will be then. How many years from now will he be twice as old as his his sister will be them

Question 837799: Jose is 11 years old. Next year he will be 4 times as old as his sister will be then. How many years from now will he be twice as old as his his sister will be them

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Jose's sister's age now
---------------
(1)
(1)
(1)
(1)
His sister is now
---------------------
Let = the number of years from now
when Jose will be twice his sister's age
(2)
( note that and are their present ages )
(2)
(2)
(2)
----------------
In 7 years Jose will be twice his sister's age
check:
In 7 years, Jose will be
In 7 years, his sister will be
18 is twice 9
OK

RELATED QUESTIONS
Bob is 10 years older than his sister. Next year, he will be three times as old as his... (answered by ikleyn)

Alex is 16 year old and his sister is 5 years old. In how many years will he be exactly... (answered by checkley77)

Next year Peter will be twice as old as his sister will be. She is three years younger... (answered by Fombitz)

Mark is 11 years older than his sister. In 8 years, he will be twice as old as she will... (answered by stanbon)

mark is 11 years older then his sister. in eight years he will be twice as old as she... (answered by radh)

thirty years from now Jose will be eight Times as old as he was12 years ago (answered by josgarithmetic,greenestamps)

Jose is 27 years older than his son. 10 years from now, he will be twice as old as his... (answered by ewatrrr)

Next years peter will be twice as old as his sister will be. She is three years younger... (answered by Alan3354)

julio is 4 times as old as maria his sister. in 6 years he will only be twice as old. how (answered by gwendolyn)