150 x 12 = 1800
55 x 12 = 660
1800 + 660 + 45000 = 47,460
Answer:
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Step-by-step explanation:
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Using a system of equations, the meaning of point R is given as follows:
A number of books and their cost where both subscriptions cost the same.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable. In a graph, the solution to the system is the intersection point of the two equations.
In this problem, the point R is the point in which:
3y = 96.
That is, the point in which the prices are equal, hence:
A number of books and their cost where both subscriptions cost the same.
More can be learned about a system of equations at brainly.com/question/24342899
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Total number of cards = 52
Number of clubs = 13
Number of cards that is not a club = 39
P(club + not a club) = (13/52) (39/51) = 13/68
Answer: 13/68
