55. Frozen-Food Revenue Some of the frozen foods that Joe's Specialty Foods sells are pesto pizza, spinach ravioli, and macaroni and cheese. The sales distribution for these prod- ucts is tabulated in matrix A. The retail price (in dollars) for each item is tabulated in matrix B. (a) Calculate the product matrix AB. (b) What is the total revenue for Monday? (c) What is the total revenue from all three days? Specialty Food Pizza Ravioli Mac & Cheese Monday [50 Tuesday 40 Wednesday 35 20 15 75 20 = A 60 100 Price ($) Pizza 3.50 Ravioli 5.75|= B Mac & Cheese L4.25 %3D

55. Frozen-Food Revenue Some of the frozen foods that Joe's Specialty Foods sells are pesto pizza, spinach ravioli, and macaroni and cheese. The sales distribution for these prod- ucts is tabulated in matrix A. The retail price (in dollars) for each item is tabulated in matrix B. (a) Calculate the product matrix AB. (b) What is the total revenue for Monday? (c) What is the total revenue from all three days? Specialty Food Pizza Ravioli Mac & Cheese Monday [50 Tuesday 40 Wednesday 35 20 15 75 20 = A 60 100 Price ($) Pizza 3.50 Ravioli 5.75|= B Mac & Cheese L4.25 %3D

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 21T

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Similar questions

A factory manufactures three products (doohickies, gizmos, and widgets) and ships them to two warehouses for storage. The number of units of each product shipped to each warehouse is given by the matrix A=[20015010075100125] (where aij is the number of units of product i sent to warehouse j and the products are taken in alphabetical order). The cost of shipping one unit of each product by truck is $1.50 per doohickey, $1.00 per gizmo, and $2.00 per widget. The corresponding unit costs to ship by train are $1.75, $1.50, and $1.00. Organize these costs into a matrix B and then use matrix multiplication to show how the factory can compare the cost of shipping its products to each of the two warehouses by truck and by train.

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