Cost of admission for a group of 3 people is $ 120
Solution:
Given that amusement park charges an admission fee of 40 dollars per person
The cost, C (In dollars), of admission for a group of p people is give by the following expression:
C = 40p
Here "p" denotes the number of people
To find: cost of admission for a group of 3 people
For a group of 3 people, p = 3
Substituting p = 3 in given cost formula, we get the cost of admission for a group of 3 people
[tex]c = 40p\\\\c = 40(3) = 120[/tex]
Thus cost of admission for a group of 3 people is $ 120