Paper A wholesale paper company sells a 100-pound package
Chapter 7, Problem 7.4.83(choose chapter or problem)
Paper A wholesale paper company sells a 100-pound package of computer paper that consists of three grades, glossy, semi-gloss, and matte, for printing photographs. Glossy costs $5.50 per pound, semi-gloss costs $4.25 per pound, and matte costs $3.75 per pound. One half of the 100-pound package consists of the two less expensive grades. The cost of the 100-pound package is $480. Set up and solve a system of equations, using matrices, to find the number of pounds of each grade of paper in a 100-pound package.
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