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ine sales of certain products in three cities are given in the 4 by 3...

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Algebra

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ine sales of certain products in three cities are given in the 4 by 3 matrix below City 1 City 2 City 3 68 O 57 75 74 33 77 53 73 The cost of the items depend if they were sold Retail or Wholesale Tablets Laptop Computers Cell Phones Personal DVR 52 46 60 59 The Retail costs were 186 for tablets 307 for laptops 362 for cell phones and 1 121 for DVRs The Wholesale costs were 294 for tablets 473 for laptops 235 for cell phones and 1 121 for DVRs To get the total revenue at each city for Retail and Wholesale we would need to put the information above on retail and wholesale costs into a matrix that has rows and columns and multiply it by the 4 by 3 matrix on sales at each city for each item After multiplying these two matrices we would have a matrix that has columns The total wholesale revenue from city 2 would be in row and column rows and

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