SOLUTION: John was asked how old he is. He said in 2 years I will be twice as old as I was 5 years ago.
I guessed 12, am I right?
Algebra.Com
Question 823860: John was asked how old he is. He said in 2 years I will be twice as old as I was 5 years ago.
I guessed 12, am I right?
Found 2 solutions by jim_thompson5910, algebrahouse.com:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You are correct. It is 12. Here's why
Age 2 yrs in future = 2*(age in past 5 years ago)
So the equation is and solving for it gives you...
Start with the given equation.
Distribute.
Subtract from both sides.
Subtract from both sides.
Combine like terms on the left side.
Combine like terms on the right side.
Divide both sides by to isolate .
Reduce.
----------------------------------------------------------------------
Answer:
So the solution is
Answer by algebrahouse.com(1659) (Show Source): You can put this solution on YOUR website!
x = age now
x + 2 = 2(x - 5) {in 2 years, he will be two times what he was 5 years ago}
x + 2 = 2x - 10 {used distributive property}
2 = x - 10 {subtracted x from each side}
x = 12 {added 10 to each side}
John is 12
For more help from me, visit: www.algebrahouse.com
RELATED QUESTIONS
Tom was asked how old he was?.He was replying in 2 years i will be twice as old as i was... (answered by ankor@dixie-net.com)
When steve was asked how old he was,he replied: 'In 30 years I'll be twice as old as I... (answered by Fombitz)
bill was asked how old he was. he replied," In two years i will be twice as old as i was... (answered by josgarithmetic)
my daughter asked how old i am, i answered, 'in 20 years i'll be twice as old as i was 12 (answered by Edwin McCravy)
my daughter asked how old i am. i answered '' in 20 years , I'll be twice as old as i was (answered by stanbon)
How do I solve the following:
When Sally asked Johnny how old he was, he replied that... (answered by rothauserc)
In 5 years, i will be twice as old as i was 15 years ago. How old am I... (answered by JulietG)
In twelve years, john will be twice as old as he was eight years ago. How old is John... (answered by JulietG)
In 2 years, David will be twice as old as he was 5 years ago. How old is he... (answered by checkley77)