Question

Father's age is $10$ more than twice age of his son. What is the number of variables if the statement is written in the form of linear equation?

• A. One
• B. Two
• C. Multivariable
• D. Non-linear

Answer 1

Answer: (B)

Two

Let father's age is $x$.
Son's age is $y$
$x=2y+10$
$\therefore$ The equation is in two variable.