Answer:
Encik Arif's mass is 63kg
Explanation:
Let Encik Arif's mass be x
the ratio of Encik Arif's mass to his son's mass is 3:2
That's
The son's mass is 42, so the ratio of Encik Arif's mass to his son's is
x : 42
That's
Now equate the two fractions
That's
Cross multiply
3(42) = 2x
126 = 2x
Divide both sides by 2
We have the final answer as
x = 63
Hope this helps you