"In an election a party hired a firm to promote its\ncandidate in three ways, telephone calls, house\ncalls and letters. The cost per contact (in paise) is\nrespectively \\( 40,100 \\) and 50 . The number of\ncontacts in cities A and B are \\( 1000,500,5000 \\)\nand \\( 3000,1500 \\) and 7500 respectively. Express\nthe information using matrices and use the\nalgebra of matrices to get the total amount spent\nin each city."

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27. In a Legislative assembly election, a political party hired a public relations firm to promote its candidate in three ways: telephone, house calls and letters. The number of contacts of each type in three cities A, B and C are 5001000 and 5000), (3000, 1000, 10000) and 200015004000 respectively. The party paid Rs. 3700, Rs. 7200 and Rs. 4300 in cities A, B and C respectively. Find the cost per contact using matrix method. Keeping in mind the economic condition of the country, which way of promotion is better in your view ? *

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In a Legislative assembly election, a political party hired a public relation firm to promote itscandidate in three ways; telephone, house calls and letters. The numbers of contacts of eachtype in three cities A, B C are (500, 1000, and 5000), (3000, 1000, 10000) and (2000, 1500,4000), respectively. The party paid Rs. 3700, Rs.7200, and Rs.4300 in cities A, B Crespectively. Find the costs per contact using matrix method. Keeping in mind the economiccondition of the country, which way of promotion is better in your view?

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In a legislative assembly election, a political group hired a public relations firm to promote its candidates in three ways: telephone, house calls and letters. The cost per contact (in paise) is given matrix A as

A = \begin{matrix} Cost per contact \\ \begin{matrix} [\begin{matrix} 40 \\ 100 \\ 50 \end{matrix}] \end{matrix} \end{matrix} \begin{matrix} \begin{matrix} Telephone \\ House call \\ Letter \end{matrix} \end{matrix}

The number of contacts of each type made in two cities X and Y is given in matrix B as

\begin{matrix} \begin{matrix} Telephone & House call & Letter \end{matrix} \\ B = [\begin{matrix} 1000 & 500 & 5000 \\ 3000 & 1000 & 10000 \end{matrix}] \end{matrix} \begin{matrix} \to X \\ \to Y \end{matrix}

Find the total amount spent by the group in the two cities X and Y.

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In a legislative assembly election, a political group hired a public relations firm to promote its candidate in three ways: telephone, house calls, and letters. The cost per contact (in paise) is given in matrix

A

as:
Cost per contact

A = ⎡ ⎢ ⎣ \begin{matrix} 4010050 \end{matrix} ⎤ ⎥ ⎦ \begin{matrix} Telephone House call Letter \end{matrix}

The number of contacts of each type made in two cities

X

and

Y

is given by-

\begin{matrix} Telephone & House call & Letter \end{matrix}

B = [\begin{matrix} 1000 & 500 & 5000 3000 & 1000 & 10, 000 \end{matrix}] \begin{matrix} \to X \to Y \end{matrix}

Final the total amount spent by the group in the two cities

X

and

Y .

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A = \begin{matrix} Cost per contact \\ \begin{matrix} \"[\"\begin{matrix} 40 \\ 100 \\ 50 \end{matrix}\"]\" \end{matrix} \end{matrix} \begin{matrix} \begin{matrix} Telephone \\ House call \\ Letter \end{matrix} \end{matrix}

The number of contacts of each type made in two cities X and Y is given in matrix B as

\begin{matrix} \begin{matrix} Telephone & House call & Letter \end{matrix} \\ B = \"[\"\begin{matrix} 1000 & 500 & 5000 \\ 3000 & 1000 & 10000 \end{matrix}\"]\" \end{matrix} \begin{matrix} \to X \\ \to Y \end{matrix}

Find the total amount spent by the group in the two cities X and Y.

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