Question

The cost of a toy elephant is the same as cost of $3$ balls. Express the statement as a linear equation in two variables.

Answer 1

Let y be the cost of a toy elephant

and x be the cost of a ball.

Given that

cost of a toy elephant is same as cost of

3 balls.

$\Rightarrow y=3x.$

Therefore the linear equation is

$y-3x=0$