Karen Sandberg, your competition in Suburban State U's T-shirt market, has apparently been undercutting your prices and outperforming you in sales. Last week she sold 120 tie-dyed shirts for $12 each, 80 (low quality) crew shirts at $1 apiece, and 50 lacrosse T-shirts for $6 each. Use matrix operations to calculate her total revenue for the week.
?
A. $1,825
B. $1,821
C. $1,820
D. $1,810
E. $1,805
Answer: C
Mathematics
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?
?
A. ?
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C. ?
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