Let 'x' represent the cost of the game.
Therefore, one-fourth of the total cost of the game is
[tex]\begin{gathered} \frac{1}{4}\text{ of x=20} \\ \frac{1}{4}x=20 \end{gathered}[/tex]Evaluate for x
[tex]x=20\times4=80[/tex]Hence, the total cost of the game is $80.