SOLUTION: The price p (in dollars) varies directly with the number of admissions to a museum. The museum charges $12 for 5 student admissions. Write a direct variation equation that relate

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Question 380767: The price p (in dollars) varies directly with the number of admissions
to a museum. The museum charges $12 for 5 student admissions.
Write a direct variation equation that relates p and a. Then find the
total admission price for 30 students.
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
p=ak equation for direct variation.
k=the constant
p=12
a=5
12=5k solve for the constant k
12/5=k
2.4=k,
so, p=2.4a
plugging in the value for 30 students
p=(2.4)(30)
p=$72