Some word problems using systems of equations involve mixing two quantities with different prices. To solve mixture problems, knowledge of solving systems of equations. is necessary. Most often, these problems will have two variables, but more advanced problems have systems of equations with three variables. Other types of word problems using systems of equations include rate word problems and work word problems.
Sample Problems (3)
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4 lbs of brand X coffee which costs $7⁄lb were combined with 3 lbs of brand Y coffee which costs $14⁄lb.
Mrs. Park sells a peanut and raisin mix for $6⁄lb.