Kira_Yamato
  • Kira_Yamato
I can only form 3 equations with 4 unknowns for this question
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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Kira_Yamato
  • Kira_Yamato
across
  • across
Me too. Does the problem ever tell you the total number of fish he wants to buy?
Kira_Yamato
  • Kira_Yamato
No

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Kira_Yamato
  • Kira_Yamato
Apparently the answer key says: 5 guppies, 3 mollies, 2 goldfish and 1 neon tetra...
across
  • across
I tried reducing the system and got\[\begin{bmatrix} 1 & 0 & 0 & 0 & 5\\ 0 & 1 & 0 & -1 & 2\\ 0 & 0 & 25 & 22 & 72 \end{bmatrix}\]This may shed some light.
across
  • across
(Hint: solve accordingly)

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