Answers:

1)
Let: A = # of units of A produced

B = # of units of B produced

C = # of units of C produced

D = # of units of D produced

 
Max Z = 
40 A + 36 B + 24 C + 48 D
s.t.
2 A +
B +
2.5 C +
5 D
<
1,200
 
A +
3B +
3.5 C +
 
<
1,300
 
A
     
<
120
   
C
   
<
96
       
D
>
100
where: 
A, B, C, D > 0



2)
Let: S = $ invested in Signature loans

F = $ invested in Furniture loans

A = $ invested in Automobile loans

M1 = $ invested in First Mortgage loans

M2 = $ invested in Second Mortgage loans
Max Z = 
0.18 S + 0.16 F + 0.11 A + 0.09 M1 + 0.1 M2
s.t.
S
<
0.1 (S + F +A + M1 + M2)
 
S + F
<
0.2 (S + F +A + M1 + M2)
 
M1
>
0.4 (M1 + M2)
 
M1
>
0.2 (S + F +A + M1 + M2)
 
M2
<
0.25 (S + F +A + M1 + M2)
 
S + F +A + M1 + M2
<
1,500,000
where: 
S, F, A, M1, M2 > 0



3)
Let: S = # of Sofas purchased

B = # of Beds purchased

D = # of Dining Sets purchased

C = # of Chests purchased

P = # of Patio Sets purchased
Max Z = 
50 S + 20 B + 75 D + 10 C + 25 P
s.t.
45 S +
60 B +
75 D +
15 C +
95 P
<
500
 
S

     
<
B
   
   
P
<
S
   
   
P
<
B
   
   
P
<
D





P
<
C

45 S +
25 B +
35 D +
5 C +
30 P
<
450
where: 
S, B, D, C, P > 0



4)
Let: R1 = $ spent on Radio advertising in the first half of the year

R2 = $ spent on Radio advertising in the second half of the year

T1 = $ spent on Television advertising in the first half of the year

T2 = $ spent on Television advertising in the second half of the year

N1 = $ spent on Newspaper advertising in the first half of the year

N2 = $ spent on Newspaper advertising in the second half of the year

M1 = $ spent on Magazine advertising in the first half of the year

M2 = $ spent on Magazine advertising in the second half of the year
Max Z = 
5 (R1 + R2) + 20 (T1 + T2) + 10 (N1 + N2) + 15 (M1 + M2)
s.t.
R1 + R2 + T1 + T2 + N1 + N2 + M1 + M2
<
2,000,000
 
R1 + T1 + N1 + M1
<
1,100,000
 
N1 + M1
>
200,000
 
N2 + M2
>
200,000
 
T1
<
0.8 (R1 + T1 + N1 + M1)
 
T2
<
0.8 (R2 + T2 + N2 + M2)
 
R1 + R2
>
50,000
 
T2
>
0.25 (T1 + T2)
where: 
R1, R2, T1, T2, N1, N2, M1, M2 > 0



5)
Let: F = # of fancy lamps produced

O = # of ornate lamps produced

P = # of plain lamps produced

R = # of rococo lamps produced
Max Z = 
100 F + 150 O + 200 P + 200 R
s.t.
10 F +
8 O +
10 P +
20 R
<
1,000
 
2 F +
3 O +
1 P +
1 R
<
200
 
10 F +
20 O +
15 P +
30 R
<
5,000
     
1 P -
2 R
>
0
where: 
F, O, P, R > 0



6)
Let: P = # of bottles of El Presidente produced

C = # of bottles of Canario produced
Max Z = 
2 P + 2.5 C
s.t.
3 P +
4 C
<
20,000
 
0.8 P +
0.605 C
<
4,000
where: 
P, C > 0


P = 2,815.884
C = 2,888.087
Max Z = 12,851.99


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