Question

Arnav's father is 49 yrs old .He is nine yrs older than four times Arnav's age.find Arnav's age

Answer 1

Let Arnav's age be 'x' and his father's age be 'y'.
Age of Arnav's father = 49
                              ⇒y=49
He is nine years older than 4 times Arnav's age.
∴ y = 4x + 9
  49 = 4x + 9
49 - 9 = 4x
     40 = 4x
 40÷4 = x
∴x = 10

⇒Arnav is 10 years old.


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Answer 2

Answer:

It is given that Arnav's father age is 49 years.

So let's take Arnav age be x

Equation:-

49 = 4x+9

49-9 =4x

40 = 4x

40÷4 = x

10 = x

So, Arnav's is 10 years Old.

Step-by-step explanation:

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