Mathematics, 14.12.2021 05:50 peno211

Một cửa hàng bán 4 sản phẩm (sp) A, B, C, D. Tuần 1: Bán được 12 (sp A), 8 (sp B), 9 (sp C), 14 (sp D) tổng thu 10.400.000 đồng;
Tuần 2: Bán được 10 (sp A), 14 (sp B), 10 (sp C), 10 (sp D) tổng thu 11.600.000 đồng;
Tuần 3: Bán được 8 (sp A), 10 (sp B), 12 (sp C), 9 (sp D) tổng thu 9.900.000 đồng;
Tuần 4: Bán được 20 (sp A), 18 (sp B), 19 (sp C), 17 (sp D) tổng thu 10.400.000 đồng;
Cho biết: Tiền lãi (lợi nhuận) khi bán được một sp A là 15% / giá bán sản phẩm; tương tự sp B là 40%, sp C là 20%, sp D là 30%..
Tính tổng lợi nhuận của cửa hàng trong 4 tuần.

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Một cửa hàng bán 4 sản phẩm (sp) A, B, C, D. Tuần 1: Bán được 12 (sp A), 8 (sp B), 9 (sp C), 14 (s...

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