In Exercises 3341, use the four-step strategy to solve each problem. Use x, y, and z to

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In Exercises 33–41, use the four-step strategy to solve each problem. Use x, y, and z to represent unknown quantities. Then translate from the verbal conditions of the problem to a system of three equations in three variables.

A certain brand of razor blades comes in packages of 6, 12, and 24 blades, costing $2, $3, and $4 per package, respectively. A store sold 12 packages containing a total of 162 razor blades and took in $35. How many packages of each type were sold?

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College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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