Math

PAULA ,SIMON AND RANDY COLLECTED INSECTS FOR THEIR SCIENCE PROJECT. AT THE END OF THE FIRST WEEK PAULA AND RANDY TOGETHER HAD 89 INSECTS, RANDY AND SIMON TOGETHER HAD 85 INSECTS. HOW MANY DID EACH HAVE ALONE?

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asked by Tim
  1. P + R = 89
    R + S = 85
    You need a third equation to solve for all three unknowns. Is that the only information you were given?

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    posted by drwls
  2. RANDY AND SIMON TOGETHER HAD 80

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    posted by Tim
  3. That disagrees with you previous statement "RANDY AND SIMON TOGETHER HAD 85"

    When you finally get three independent statements stated as equations, then use algebra to solve them.

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    posted by drwls

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