Define variables for the buying price, profit, and loss.

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12. A business woman bought two bags of maize at the same price per bag. She discovered that one bag was of high quality and the other of low quality. On the high quality bag, she made a profit by selling it at Ksh. 1040, while on the low quality bag, she made a loss by selling it at Ksh. 880. If the profit was three times the loss. Calculate the buying price per bag.

Step 1: Define variables for the buying price, profit, and loss.
Let $C$ be the buying price per bag (in Ksh).
For the high-quality bag:
Selling Price ($SP_H$) = Ksh 1