Let C be the cost (in dollars) of admission for P people since the amusement park charges an admission fee of $40 dollars per person, we can set the following equation:
[tex]C=40\times P\text{.}[/tex]Then, evaluating the above equation at P=15 we get:
[tex]\begin{gathered} C=40\times15 \\ =600. \end{gathered}[/tex]Therefore, the cost for 15 people is 600 dollars.
Answer: Equation: