Problem. 15: Regional Train Lines operates three trains between Miami and Washington, DC. Matrix A gives the number of seats in cach of the three classes of service (the rows represent Trains I, II, and III, respectively; the columns represent First Class, Second Class, and Third Class, respectively) 40 70 240 A= 50 90 220 40 70 200 The fares per passenger for each class of service are given by matrix B. (550 B = 420 240 RTL has scheduled the following numbers of each train this week. C = (8 5 5) (a) Compute AB. AB = (b) Explain what AB represents. AB represents the total number of seats in First Class AB represents the total number of seats on Train I AB represents the total revenue for First Class seats on all trains. AB representes the total revenue for all seats for the three trains AB represents the total revenue for RTL this week ? Check work (c) Compute CAB. CAB - (d) Explain what CAB represents. AB represents the total number of seats in First Class AB represents the total number of seats on Train I AB represents the total revenue for First Class seats on all trains. AB representes the total revenue for all seats for the three trains AB represents the total revenue for RTL this week ? Check work
Problem. 15: Regional Train Lines operates three trains between Miami and Washington, DC. Matrix A gives the number of seats in cach of the three classes of service (the rows represent Trains I, II, and III, respectively; the columns represent First Class, Second Class, and Third Class, respectively) 40 70 240 A= 50 90 220 40 70 200 The fares per passenger for each class of service are given by matrix B. (550 B = 420 240 RTL has scheduled the following numbers of each train this week. C = (8 5 5) (a) Compute AB. AB = (b) Explain what AB represents. AB represents the total number of seats in First Class AB represents the total number of seats on Train I AB represents the total revenue for First Class seats on all trains. AB representes the total revenue for all seats for the three trains AB represents the total revenue for RTL this week ? Check work (c) Compute CAB. CAB - (d) Explain what CAB represents. AB represents the total number of seats in First Class AB represents the total number of seats on Train I AB represents the total revenue for First Class seats on all trains. AB representes the total revenue for all seats for the three trains AB represents the total revenue for RTL this week ? Check work
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.1: Matrix Operations
Problem 19EQ: A factory manufactures three products (doohickies, gizmos, and widgets) and ships them to two...
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