Revenue Your T-shirt operation is doing a booming trade. Last week you sol...

Revenue Your T-shirt operation is doing a booming trade. Last week you sold 50 tie-dye shirts for $15 each, 40 Suburban State University Crew shirts for $10 each, and 30 Lacrosse T-shirts for $12 each. Use matrix operations to calculate your total revenue for the week. HINT [See Example 1.]

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