4. At a college bookstore, Carla purchased a math textbook and a novel that cost a
total of 54, not including tax. If the price of the math textbook, m, is $8 more than 3
times the price of the novel, n, which system of linear equations could be used to
determine the price of each book?
A.
m - n = S
m = 3n - 54
C. m + n = 54
m = 3n + S
B. m = n = 8
m = 3n - 54
D. m + n = 54
m = 3n-s
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