SOLUTION: My father is 40 years older than me and is three times my age. How old am I?

Algebra.Com
Question 1073535: My father is 40 years older than me and is three times my age. How old am I?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
y, father
x, "I"







20 years of age

Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.
Let M be "my age".


Then the father's age is M + 40, according to the condition.

Also, the condition says 

M + 40 = 3M.

From this equation,  40 = 2M and M =  = 20.


Answer.  My age is 20 years.


RELATED QUESTIONS

My father is 5 times older than me. 12 years ago, he was 7 times older than me. How old... (answered by stanbon)
My father is 45 years old. he is 15 years older than twice my age. how old am I? (answered by math_helper)
My father is 24 years older than me, and 12 years ago he was double my age. How old am i... (answered by stanbon)
my father is 21 years older than me, after a time period of 12 years his age is twice of... (answered by stanbon)
My father is 28 years older than me, and I am 19 years older than my son. 10 years ago,... (answered by richwmiller)
Please help me solve this equation. Find my age, my grandmother's age and my sister's... (answered by rothauserc)
i am half year' and my father is 5 years older than my mother and if you sum all of us... (answered by Alan3354)
My father is 30 years older than I am. If I am y years old, how old is my... (answered by Timnewman)
When I am as old as my father is now, I will five times as old as my son is now. By then, (answered by ankor@dixie-net.com)