$0.90 per textbook sold, $1.40 per desk sold, and $0.30 per box of pencils sold. They sell no other products. The number sold for each salesper each product is as follows. Number sold Mai Shen Isabel Textbooks 400 420 440 Desks 620 590 570 Boxes of pencils 530 480 520 The table can be represented as the following matrix. 400 420 440 A 620 590 570 530 480 520 (a) Find a matrix B whose entries are the bonuses (in dollars) for each type of product. Make sure the product BA is defined and its entries are the amounts of money (in dollars) each salesperson earned in bonuses overall. (b) Calculate the product BA. BA= 0 (c) How much money (in dollars) was Shen's bonus overall? 0-0-0- = 8 0 8 [00] (888) (000) Undefined ?
$0.90 per textbook sold, $1.40 per desk sold, and $0.30 per box of pencils sold. They sell no other products. The number sold for each salesper each product is as follows. Number sold Mai Shen Isabel Textbooks 400 420 440 Desks 620 590 570 Boxes of pencils 530 480 520 The table can be represented as the following matrix. 400 420 440 A 620 590 570 530 480 520 (a) Find a matrix B whose entries are the bonuses (in dollars) for each type of product. Make sure the product BA is defined and its entries are the amounts of money (in dollars) each salesperson earned in bonuses overall. (b) Calculate the product BA. BA= 0 (c) How much money (in dollars) was Shen's bonus overall? 0-0-0- = 8 0 8 [00] (888) (000) Undefined ?
Chapter4: Systems Of Linear Equations
Section4.4: Solve Systems Of Equations With Three Variables
Problem 4.71TI: The community college fine arts department sold three kinds of tickets to its latest dance...
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![Mai, Shen, and Isabel are salespeople at the same company. They each sell textbooks, desks, and boxes of pencils. Each salesperson earns a bonus of
$0.90 per textbook sold, $1.40 per desk sold, and $0.30 per box of pencils sold. They sell no other products. The number sold for each salesperson and
each product is as follows.
Number sold
Mai Shen Isabel
Textbooks 400 420 440
Desks
620 590 570
Boxes of pencils 530 480 520
The table can be represented as the following matrix.
400 420 440
A 620 590 570
530 480 520
(a) Find a matrix B whose entries are the bonuses (in dollars) for each
type of product. Make sure the product BA is defined and its entries
are the amounts of money (in dollars) each salesperson earned in
bonuses overall.
B = -0-0-0
(b) Calculate the product BA.
BA =
(c) How much money (in dollars) was Shen's bonus overall?
00
X
[000]
Undefined
?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc2f486f-e1fc-4147-974b-575ff4270228%2Fedf40504-932e-4892-8ee9-91cff6c258e4%2Fcm2d0hi_processed.png&w=3840&q=75)
Transcribed Image Text:Mai, Shen, and Isabel are salespeople at the same company. They each sell textbooks, desks, and boxes of pencils. Each salesperson earns a bonus of
$0.90 per textbook sold, $1.40 per desk sold, and $0.30 per box of pencils sold. They sell no other products. The number sold for each salesperson and
each product is as follows.
Number sold
Mai Shen Isabel
Textbooks 400 420 440
Desks
620 590 570
Boxes of pencils 530 480 520
The table can be represented as the following matrix.
400 420 440
A 620 590 570
530 480 520
(a) Find a matrix B whose entries are the bonuses (in dollars) for each
type of product. Make sure the product BA is defined and its entries
are the amounts of money (in dollars) each salesperson earned in
bonuses overall.
B = -0-0-0
(b) Calculate the product BA.
BA =
(c) How much money (in dollars) was Shen's bonus overall?
00
X
[000]
Undefined
?
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