Homework Help: 11th grade Algebra 2

Posted by David Nipp on Wednesday, April 7, 2010 at 9:05pm.

At a college bookstore, Carla purchased a math textbook and a novel thjat cost a total of $54, not including tax. If the price if the math textbook, m, is $8 more than 3 times the price of the novel, n, write a system of linear equations that could be used to determine the price of each book?

11th grade Algebra 2 - Jen, Thursday, April 8, 2010 at 12:31am
m + n = 54
3n+8=m
plug in 3n+8 for m in the first equation
3n+8+n=54
4n+8=54
4n=46
n= $11.50 which means m= $42.50

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