In Exercises 33-11, 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.
On a recent (rip lo the convenience store. you picked up2 gallons of milk. 5 bottles of water, and 6 snack-size bags of chips. Your total bill (before lax) was $19.00 If a bottle of water costs twice as much as a bag of chips, and a gallon of milk costs S2.00 more than a bottle of water, how much docs each item cost?
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