Question

Ravi's father is 4 times as old as Ravi. After 20 years,he will be twice the age of his son. Find their present ages.​

Answer 1

Answer:

in 20 years Ravi's father will be twice the age of him so Ravi's father is 40 years old

Step-by-step explanation:

20 x 2 = 40

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Answer 2

Answer:

Let ravi 's age be x

And his father's age =4x

ATQ

$4x + 20 = (x + 20)2 \\ 4x + 20 = 2x + 40 \\ 4x - 2x = 40 - 20 \\ 2x = 20 \\ x = \frac{20}{2} = 10$

Ravi' s age is 10

And his father's age is 4x=40

Step-by-step explanation:

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