4. Gabe's Gadgets has stores in three locations, Flint, Pontiac, and Detroit. The number of Gadgets sold in each location in September and October is given in the following table. Flint Pontiac Detroit a. The total cost, in dollars, at each location in September and October is given in the following table. The selling price of each gadget is $30. Flint Pontiac Detroit C. September 30,000 45,000 70,000 October 25,000 42,000 60,000 September 8,000 10,000 16,000 October 4,000 9,000 15,000 Write a 3x2 matrix X representing the number of gadgets sold at each location in September and October, and a 3x2 matrix C representing the total cost at each location in September and October. b. Find the matrix R where R=30X and explain the meaning of the entry 12- Find the matrix P where P=R-C and explain the meaning of the entry P31 -

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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4. Gabe's Gadgets has stores in three locations, Flint, Pontiac, and Detroit.
The number of Gadgets sold in each location in September and October is given in the following table.
Flint
Pontiac
Detroit
Flint
Pontiac
Detroit
September
30,000
45,000
70,000
The total cost, in dollars, at each location in September and October is given in the following table.
The selling price of each gadget is $30.
October
25,000
42,000
60,000
September
8,000
10,000
16,000
October
4,000
9,000
15,000
a. Write a 3x2 matrix X representing the number of gadgets sold at each location in September and
October, and a 3x2 matrix C representing the total cost at each location in September and October.
b. Find the matrix R where R=30X and explain the meaning of the entry 12.
c. Find the matrix P where P=R-C and explain the meaning of the entry P31 -
Transcribed Image Text:4. Gabe's Gadgets has stores in three locations, Flint, Pontiac, and Detroit. The number of Gadgets sold in each location in September and October is given in the following table. Flint Pontiac Detroit Flint Pontiac Detroit September 30,000 45,000 70,000 The total cost, in dollars, at each location in September and October is given in the following table. The selling price of each gadget is $30. October 25,000 42,000 60,000 September 8,000 10,000 16,000 October 4,000 9,000 15,000 a. Write a 3x2 matrix X representing the number of gadgets sold at each location in September and October, and a 3x2 matrix C representing the total cost at each location in September and October. b. Find the matrix R where R=30X and explain the meaning of the entry 12. c. Find the matrix P where P=R-C and explain the meaning of the entry P31 -
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