Marie charges $3 for every 4 bottles of water purchased from her store. She pays her supplier $0.25 per bottle, plus $250 for shelving and water delivery.
a) Create a system of two linear equations to model this situation (one equation for revenue, and one for expenses)
b) Graph the equations on a grid
c) How many bottles of water does she need to sell to break even (revenue = expenses)?

Question

Marie charges $3 for every 4 bottles of water purchased from her store. She pays her supplier $0.25 per bottle, plus $250 for shelving and water delivery.
a) Create a system of two linear equations to model this situation (one equation for revenue, and one for expenses)
b) Graph the equations on a grid
c) How many bottles of water does she need to sell to break even (revenue = expenses)?

Mercury · Answer

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