SOLUTION: Suppose you are starting an office cleaning service. you have spent $315 on supplies. to clean an offie, you use $4 worth of supplies. you charge $25 per office. how many offices m

Question 699713: Suppose you are starting an office cleaning service. you have spent $315 on supplies. to clean an offie, you use $4 worth of supplies. you charge $25 per office. how many offices must you clean to break even? I also need to solve this using a system of linear equtations! Thanks for the help in advance :)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Suppose you are starting an office cleaning service. you have spent $315 on supplies. to clean an offie, you use $4 worth of supplies. you charge $25 per office. how many offices must you clean to break even? I also need to solve this using a system of linear equtations!
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Let "x" be the number of offices you clean.
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Revenue = 25x dollars
Cost = 315 + 4x
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Break even means cost = revenue
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Solve:
25x = 315+4x
21x = 315
x = 15
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Cheers,
Stan H.
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