Answer:
$[tex](21.70 - \frac{3n}{4})[/tex]
Step-by-step explanation:
See the sign attached to the question.
The sign shows the costs of different games at a math festival.
The Decimal Decision game costs $(12.70 - n + 9) for n people to play.
And, The Ratio Rage game costs $[tex]\frac{n}{4}[/tex] for n peoples to play.
Therefore, it will cost $[tex](21.70 - n + \frac{n}{4}) = (21.70 - \frac{3n}{4})[/tex] Dollars. (Answer)
