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?

Question

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?

anonymous · Answer

@payin Do you have a GC or a system of equation solver? You could use: http://math.cowpi.com/systemsolver/3x3.html

anonymous · Answer

take an equation of your choice ... solve for one of the variables and start plugging it in to another. This question will take you a little to answer.