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The sales of certain products in three cities are given in the 4 by 3 matrix below. City 1 City 2 City 3 Tablets 73 37 30 Laptop Computers 43 64 72 Cell Phones 31 41 63 Personal DVR 33 52 45 The cost of the items depend if they were sold "Retail" or "Wholesale". The Retail costs were: $175 for tablets, $371 for laptops, $386 for cell phones, and $1,158 for DVRS. The Wholesale costs were: $342 for tablets, $464 for laptops, $172 for cell phones, and $1,158 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 rows and columns. The total wholesale revenue from city 2 would be in row and column

The sales of certain products in three cities are given in the 4 by 3 matrix below. City 1 City 2 City 3 Tablets 73 37 30 Laptop Computers 43 64 72 Cell Phones 31 41 63 Personal DVR 33 52 45 The cost of the items depend if they were sold "Retail" or "Wholesale". The Retail costs were: $175 for tablets, $371 for laptops, $386 for cell phones, and $1,158 for DVRS. The Wholesale costs were: $342 for tablets, $464 for laptops, $172 for cell phones, and $1,158 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 rows and columns. The total wholesale revenue from city 2 would be in row and column

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The sales of certain products in three cities are given in the 4 by 3 matrix below. City 1 City 2 City 3 Tablets 73 37 30 Laptop Computers 43 64 72 Cell Phones 31 41 63 Personal DVR 33 52 45 The cost of the items depend if they were sold "Retail" or "Wholesale". The Retail costs were: $175 for tablets, $371 for laptops, $386 for cell phones, and $1,158 for DVRS. The Wholesale costs were: $342 for tablets, $464 for laptops, $172 for cell phones, and $1,158 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 rows and columns. The total wholesale revenue from city 2 would be in row and column
Transcribed Image Text:The sales of certain products in three cities are given in the 4 by 3 matrix below. City 1 City 2 City 3 Tablets 73 37 30 Laptop Computers 43 64 72 Cell Phones 31 41 63 Personal DVR 33 52 45 The cost of the items depend if they were sold "Retail" or "Wholesale". The Retail costs were: $175 for tablets, $371 for laptops, $386 for cell phones, and $1,158 for DVRS. The Wholesale costs were: $342 for tablets, $464 for laptops, $172 for cell phones, and $1,158 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 rows and columns. The total wholesale revenue from city 2 would be in row and column
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