System of equations using elimination or matrices

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1. A company the manufactures aquariums has a fixed cost of  $118,000. It cost $140 to produce each aquarium. The selling price is $360 per aquarium. How many aquariums doe the business need to sell to break even?

2. Solve the following system of equations using elimination or matrices.

x-1y+z=6

2x+y-3z=-3

x-3y+3z=10

Reference no: EM131106178

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