1. Arjun’s father is four times as old ad Arjun. The sum of their

1.	1. Arjun’s father is four times as old ad Arjun. The sum of their ages is 45 years. Find the ages of Arjun and his father.
Answer» Answer: Answer is 40 years. Step-by-step explanation: LET ARVIND's age = x Let Arvind's FATHER age = y Thus, y=4x and, y−5=7(x−5) or y=7x−30 Thus, 4x=7x−30 3x=30 or x=10 Hence, y = 40 years Thus, age of Arvind's father is 40 years

1. Arjun’s father is four times as old ad Arjun. The sum of their ages is 45 years. Find the ages of Arjun and his father.

Answer»

Answer:

Answer is 40 years.

Step-by-step explanation:

LET ARVIND's age = x

Let Arvind's FATHER age = y

Thus, y=4x

and, y−5=7(x−5) or y=7x−30

Thus, 4x=7x−30

3x=30 or x=10

Hence, y = 40 years

Thus, age of Arvind's father is 40 years