Question

The ages of Gokul and Jacob are in the ratio 5 : 7. Four years later the sum of their
ages will be 56 years. What are their present ages

Answer 1

Answer:

Age of Gokul = 20 years

Age of Jacob = 28 years

Step-by-step explanation:

Let the ratio of ages be 5x : 7x

Four years later...

Gokul = 5x+4

Jacob = 7x+4

According to Question...

5x+4 + 7x+4 = 56

12x = 56-8

12x = 48

x = 4

Therefore,

Age of Gokul = 20 years

Age of Jacob = 28 years

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Answer 2

Answer:

Let the ages be 5x and 7x

After 4 years ages will be 5x + 4 and 7x + 4

As per question,

5x + 4 + 7x + 4 = 56

12x + 4 = 56

12x = 56 - 8

12x = 48

x = 48/12 = 4

Age of Gokul = 5x = 5 * 4 = 20 years

Age of Jacob = 7x = 7 * 4 = 28 years