SOLUTION: Father is 53 and son is 17.How many years ago father was 10 times older than his son?

Question 1113986: Father is 53 and son is 17.How many years ago father was 10 times older than his son?
Found 2 solutions by addingup, ikleyn:
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
53-x = 10(17-x)
53-x = 170-10x
9x = 117
x = 13
13 years ago the father was 10 times older than his son
-----------------------------------------------------
check:
53-13 = 40 father
17-13 = 4 son
and 4 times 10 = 40
Correct!
Answer by ikleyn(52782) (Show Source): You can put this solution on YOUR website!
.
Father is 53 and son is 17.How many years ago father was 10 times older than his son?
~~~~~~~~~~~~~~~~~~~~~~~~

For your info:

In English, "father was 10 times older than his son" means "father was 11 times as old as his son".

RELATED QUESTIONS
a father is 30 years older than his son. three years ago he was four times as old as his... (answered by richwmiller)
a father is older than his son by 32 years.6 years ago the father was 17 times as old as... (answered by nerdybill)
Father is 16 years older than his son. 6 years ago the father was 3 times his sons age.... (answered by solve_for_x)
A father is 48 years old and his son is 14 years old. In how many years will the father... (answered by lynnlo)
If a father is now 5 times as old as his son, how many years ago was the son 2 years old... (answered by josmiceli,TamiSrcKa)
a father is 32 years old and his son is 5. How many years will pass before the father is... (answered by bucky)
The father is 38 years older than the son. Ten years ago he was twice the age of the son. (answered by rothauserc)
A father is 27 years older than his son ten years ago he was twice as old as his son how... (answered by ikleyn,josgarithmetic)
Please help me to solve this word problem: A father is now 28 years older than his son.... (answered by oscargut)