This probability distribution shows the typical grade distribution for a Geometry
course with 35 students.
Grade
ABCDF
Frequency 5
10
15
3
2
Find the probability that a student earns a
grade of B or C.

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

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step-by-step explanation:

b, i believe, but not sure.