anonymous
  • anonymous
If guppies cost .20 less than swordtails, and three guppies and four swordtails cost $2.83, how much do guppies cost?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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y2o2
  • y2o2
i think you mean $283 , anyways , let guppies be x and swordtail be y so y -x = 20 and 3x+4y = 283 so x = $29 and y= $49
anonymous
  • anonymous
When you solve the equation... 7xy = 283, so 283/7=40...Where did you get 29 & 49?

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