Mathematics, 27.07.2019 14:00 cyanezc1313
Astore sells almonds for $7 per pound, cashews for $10 per pound, and walnuts for $12 per pound. a customer buys 12 pounds of mixed nuts consisting of almonds, cashews, and walnuts for $118. the customer buys 2 more pounds of walnuts than cashews. the matrix below represents this situation.
Answers: 1
![\left[\begin{array}{ccc}1&1&1\\7&10&12\\0&1&-1\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right] \\= \left[\begin{array}{ccc}12\\118\\-2\end{array}\right]](/tpl/images/0933/0389/4f5f7.png)
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Astore sells almonds for $7 per pound, cashews for $10 per pound, and walnuts for $12 per pound. a c...
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