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Please help me answer this question below, I'm honestly so lost I don't even know where to start. 5. Annette, Barb, and Carlita work in

Please help me answer this question below, I'm honestly so lost I don't even know where to start.

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5. Annette, Barb, and Carlita work in a clothing shop. One day the three had combined sales of $1480. Annette sold $120 more than Barb. Barb and Carlita combined sold $280 more than Annette. How much did each person sell? Define variable write equations REWRITE as systems Matrices A=

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