Since 1 oz is equal to 28.4 g and 1 kg is equal to 1000 g that means that 3521.12 kg are equal to 100 oz
The answer would be 24 because 24-4 is 20
In this question it is given that

And we have to find the value of the given limit

Using properties of limit, first we separate the two functions, that is

Substituting the values of the given limit,

Standard Form is Ax + By = C
y=2x+5
-2x+y= -2x+2x +5
-2x + y = 5
Answer -2x + y = 5
10 time the value of the digits to the right.