Question: Stannic Metals wishes to produce at the lowest cost a new alloy that is forty percent tin, thirty-five percent zinc, and twenty-five percent lead from their current allow stocks:
|
Alloy Stocks
|
Alloy
|
1
|
2
|
3
|
4
|
5
|
% Tin
|
60
|
25
|
45
|
20
|
50
|
% Zinc
|
10
|
15
|
45
|
50
|
40
|
%Lead
|
30
|
60
|
10
|
30
|
10
|
Cost/lb
|
22
|
20
|
25
|
24
|
27
|
What weight of each Alloy Stock is required to make a pound of the new alloy?