2. The prices, in dollars per unit, of the three commodities X, Y and Z are x, y and z, respectively Person A purchases

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2 The Prices In Dollars Per Unit Of The Three Commodities X Y And Z Are X Y And Z Respectively Person A Purchases 1 (25.73 KiB) Viewed 19 times

2. The prices, in dollars per unit, of the three commodities X, Y and Z are x, y and z, respectively Person A purchases 4 units of Z and sells 3 units of X and 3 units of Y. Person B purchases 3 units of Y and sells 2 units of X and 1 unit of Z. Person purchases 1 unit of X and sells 4 units of Y and 6 units of Z. In the process, A, B and Cearn $40, $50, and $130, respectively. a) Find the prices of the commodities X, Y, and Z by solving a system of linear equations (note that selling the units is positive earning and buying the units is negative earning). [10]