The entrance fee at museum C is modeled by a proportional relationship with the number of visitors.
A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:
y = kx
In which k is the constant of proportionality.
Researching the problem on the internet, the prices for three museums are given, but only one of them has a constant rate of which, which is Museum C, as:
k = 4/3 = 16/12 = 24/18 = 1.33.
Hence the relation for the entrance fee is:
y = 1.33x.
More can be learned about proportional relationships at https://brainly.com/question/10424180
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