Question 166537: can someone show me how to do this problem:
Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices.
M =
[20,000; 15,000; 8000]
[30,000; 0; 17,000]
J =
[70,000; 0; 30,000]
[20,000; 25,000; 32,000]
Find the matrix that would give total sales for the months of May and June.
a.
[90,000; 15,000; 38,000]
[50,000; 25,000; 49,000]
b.
[90,000; 15,000; 38,000]
[50,000; 25,000; 32,000]
c.
[90,000; 0; 38,000]
[50,000; 0; 49,000]
d.
[140,000; 40,000; 87,000]
Answer by stanbon(75887)   (Show Source):
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