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five years ago, Anu was thrice as old as Sonu . After ten years Anu will be twice as old as Sonu . how old are anu and Sonu.
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five years ago, Anu was thrice as old as Sonu . After ten years Anu wi...
Problem:
Five years ago, Anu was thrice as old as Sonu. After ten years, Anu will be twice as old as Sonu. Find the current ages of Anu and Sonu.
Solution:
Let's assume the current age of Anu as A and the current age of Sonu as S.
Step 1: Formulating the equations:
According to the problem, five years ago, Anu was thrice as old as Sonu. So, we can write the equation as:
A - 5 = 3(S - 5) ----(1)
After ten years, Anu will be twice as old as Sonu. So, we can write the equation as:
A + 10 = 2(S + 10) ----(2)
Step 2: Solving the equations:
Now, let's solve the equations (1) and (2) to find the values of A and S.
From equation (1), we can simplify it as:
A - 5 = 3S - 15
A = 3S - 10 ----(3)
Substituting equation (3) in equation (2), we get:
3S - 10 + 10 = 2S + 20
S = 30
Substituting the value of S in equation (1), we get:
A = 3(30) - 10
A = 80
Step 3: Answer:
Therefore, the current age of Anu (A) is 80 years and the current age of Sonu (S) is 30 years.
Five years ago, Anu was thrice as old as Sonu. After ten years, Anu will be twice as old as Sonu. Find the current ages of Anu and Sonu.
Solution:
Let's assume the current age of Anu as A and the current age of Sonu as S.
Step 1: Formulating the equations:
According to the problem, five years ago, Anu was thrice as old as Sonu. So, we can write the equation as:
A - 5 = 3(S - 5) ----(1)
After ten years, Anu will be twice as old as Sonu. So, we can write the equation as:
A + 10 = 2(S + 10) ----(2)
Step 2: Solving the equations:
Now, let's solve the equations (1) and (2) to find the values of A and S.
From equation (1), we can simplify it as:
A - 5 = 3S - 15
A = 3S - 10 ----(3)
Substituting equation (3) in equation (2), we get:
3S - 10 + 10 = 2S + 20
S = 30
Substituting the value of S in equation (1), we get:
A = 3(30) - 10
A = 80
Step 3: Answer:
Therefore, the current age of Anu (A) is 80 years and the current age of Sonu (S) is 30 years.
Community Answer
five years ago, Anu was thrice as old as Sonu . After ten years Anu wi...
Both Anu & Sonu present age is 50 yrs
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