Sanjay will be 3 times as old as he was 4 years ago after 18 years. Find his present age.
Answers
Solution :
let Sanjay's age be 'x'
3(x-4) = x+18
3x - 12 = x + 18
3x - x = 18+12
2x = 30
x = 30/2
x = 15 years
the present age of Sanjay is 15 years
Step-by-step explanation:
Given:-
Sanjay will be 3 times as old as he was 4 years ago after 18 years.
To find:-
Find his present age.
Solution:-
Let the present age of Sanjay be "X" years
Age of Sanjay ,4 years ago = (X-4) years
Age of Sanjay after 18 years = (X+18) years
Given that
Sanjay will be 3 times as old as he was 4 years ago after 18 years.
=>X+18 = 3(X-4)
=>X+18 = 3X -12
=>3X -12 = X + 18
=>3X - X = 18 + 12
=>2X = 30
=>X = 30/2
=>X = 15 years
Present age of Sanjay = 15 years
Answer:-
The present age of Sanjay = 15 years
Check:-
The present age of Sanjay = 15 years
His age 4 years ago = 15-4 = 11 years
His age after 18 years = 15+18 = 33 years
=>3(11)
=>3 times his age 4 years ago
Verified the given relations