a father age in three the sum of the ages of his tow children .after 5 year his age will two times the sum of their ages find the present age of the father.
Answers
Answer:
This is the answer
The father age is 9
Answer:
the age of the father is 45.
Step-by-step explanation:
let the age of the sons be x and y.
Given that Father's age is three times the age of his two sons.
Therefore,present age of father is 3(x+y)
Now, it is also given, after 5 years age of father will be twice the sum of the ages of his son.
Therefore, after 5years age of father will be 3(x+y)+5 and age of the sons will be x+5 and y+5.
3(x+y)+5=2(x+5+y+5)
3(x+y)+5=2(x+5+y+5)3x+3y+5=2x+2y+10
3(x+y)+5=2(x+5+y+5)3x+3y+5=2x+2y+103x+3y+5=2x+2y+20
3(x+y)+5=2(x+5+y+5)3x+3y+5=2x+2y+103x+3y+5=2x+2y+203x-2x+3y-2y=20-5
3(x+y)+5=2(x+5+y+5)3x+3y+5=2x+2y+103x+3y+5=2x+2y+203x-2x+3y-2y=20-5x+y=15
Now the age of the father was 3(x+y)=45 (Putting the value of x+y)
Thus the age of the father is 45.
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