The following table gives the number of shares of certain corporations held by Leslie and Tom in their respective IRA accounts at the beginning of the year. Wal-Mart 395 IBM GE Ford Leslie 415 335 180 Tom 415 490 250 245 Over the year, they added more shares to their accounts, as shown in the following table. IBM GE Ford Leslie Tom 30 0 40 80 Wal-Mart 110 110 70 (a) Write a matrix A giving the holdings of Leslie and Tom at the beginning of the year and a matrix B giving the shares they added to their portfolios. Leslie A = Tom IBM GE Ford Wal-Mart IBM GE Ford Wal-Mart Leslie B = Tom (b) Find a matrix C giving their total holdings at the end of the year. Ford IBM GE Leslie C = Tom Need Help? Read It Wal-Mart
The following table gives the number of shares of certain corporations held by Leslie and Tom in their respective IRA accounts at the beginning of the year. Wal-Mart 395 IBM GE Ford Leslie 415 335 180 Tom 415 490 250 245 Over the year, they added more shares to their accounts, as shown in the following table. IBM GE Ford Leslie Tom 30 0 40 80 Wal-Mart 110 110 70 (a) Write a matrix A giving the holdings of Leslie and Tom at the beginning of the year and a matrix B giving the shares they added to their portfolios. Leslie A = Tom IBM GE Ford Wal-Mart IBM GE Ford Wal-Mart Leslie B = Tom (b) Find a matrix C giving their total holdings at the end of the year. Ford IBM GE Leslie C = Tom Need Help? Read It Wal-Mart
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:The following table gives the number of shares of certain corporations held by Leslie and Tom in their respective IRA accounts at the beginning of the year.
IBM
GE
Ford
Leslie
415
335
180
Tom
415
490
250
Wal-Mart
395
245
Over the year, they added more shares to their accounts, as shown in the following table.
IBM
GE
Ford
Leslie
Tom
30
0
40
80
0
110
Wal-Mart
110
70
(a) Write a matrix A giving the holdings of Leslie and Tom at the beginning of the year and a matrix B giving the shares they added to their portfolios.
IBM
GE
Ford
Wal-Mart
Leslie
A =
Tom
IBM
GE
Ford
Wal-Mart
Leslie
B =
Tom
(b) Find a matrix C giving their total holdings at the end of the year.
Leslie
C =
Tom
Need Help?
Read It
IBM
GE
Ford
Wal-Mart
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