56. Fast-Food Sales A small fast-food chain with restaurants in Santa Monica, Long Beach, and Anaheim sells only ham- burgers, hot dogs, and milk shakes. On a certain day, sales were distributed according to the following matrix. Number of items sold Santa Long Monica Вeach Anaheim Hamburgers 4000 Hot dogs 400 Milk shakes L 700 1000 3500 300 200 = A 500 9000 The price of each item is given by the following matrix. Hamburger Hot dog Milk shake [S0.90 $0.80 $1.10] = B (a) Calculate the product BA. (b) Interpret the entries in the product matrix BA.
56. Fast-Food Sales A small fast-food chain with restaurants in Santa Monica, Long Beach, and Anaheim sells only ham- burgers, hot dogs, and milk shakes. On a certain day, sales were distributed according to the following matrix. Number of items sold Santa Long Monica Вeach Anaheim Hamburgers 4000 Hot dogs 400 Milk shakes L 700 1000 3500 300 200 = A 500 9000 The price of each item is given by the following matrix. Hamburger Hot dog Milk shake [S0.90 $0.80 $1.10] = B (a) Calculate the product BA. (b) Interpret the entries in the product matrix BA.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter11: Matrices And Determinants
Section11.2: The Algebra Of Matrices
Problem 56E: APPLICATIONS Fact-Food Sales A small fast-food chain with restaurants in Santa Monica, Lang Beach,...
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![56. Fast-Food Sales A small fast-food chain with restaurants in
Santa Monica, Long Beach, and Anaheim sells only ham-
burgers, hot dogs, and milk shakes. On a certain day, sales
were distributed according to the following matrix.
Number of items sold
Santa
Long
Monica
Вeach
Anaheim
Hamburgers 4000
Hot dogs 400
Milk shakes L 700
1000
3500
300
200 = A
500
9000
The price of each item is given by the following matrix.
Hamburger Hot dog Milk shake
[S0.90
$0.80
$1.10] = B
(a) Calculate the product BA.
(b) Interpret the entries in the product matrix BA.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F497a2e29-8b1f-4aa6-9cd1-1a4f39410e29%2F800e865b-7109-4ed9-b11a-cb0980802dba%2Fqke14no.png&w=3840&q=75)
Transcribed Image Text:56. Fast-Food Sales A small fast-food chain with restaurants in
Santa Monica, Long Beach, and Anaheim sells only ham-
burgers, hot dogs, and milk shakes. On a certain day, sales
were distributed according to the following matrix.
Number of items sold
Santa
Long
Monica
Вeach
Anaheim
Hamburgers 4000
Hot dogs 400
Milk shakes L 700
1000
3500
300
200 = A
500
9000
The price of each item is given by the following matrix.
Hamburger Hot dog Milk shake
[S0.90
$0.80
$1.10] = B
(a) Calculate the product BA.
(b) Interpret the entries in the product matrix BA.
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