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Mathematics 10 Online
OpenStudy (anonymous):

The owner of a small business borrows money on three separate credit cards: x dollars on his Mastercard, y dollars on his Visa, and z dollars on his American Express card. These amounts satisfy the following equations. 1.18x+1.15y+1.09z=11,244.25 3.54x-.55y+.27z=3,732.75 .12x+.10y+.06z=829.50 How much did the owner borrow on each card?

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