Question

please help me in maths class 8 maths please help me
7th one please help

Answer 1

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Answer 2

Answer:

The age of the father is 45.

Step-by-step explanation:

Solution:-

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, his age will be twice the sum of the ages of his son.

Therfore, after 5 years 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)

3x+3y+5 = 2x+10+2y+10

3x+3y+5 = 2x+2y+20

3x-2x+3y-2y = 20–5

x+y = 15

Now the age of father was 3(x+y) → 3(15) → 45 (Putting the value of x+y)

Thus the age of the father is 45.