SOLUTION: Use a system of equation to model each situation .suppose you starting a cleaning service .you have spent $315 on equipment .to clean ahouse you use $4 worth of supplies.you charge

Question 1067115: Use a system of equation to model each situation .suppose you starting a cleaning service .you have spent $315 on equipment .to clean ahouse you use $4 worth of supplies.you charge a one time fee of $50 plus $20 per cleaning.how many times would have to clean ahouse in order to make a profit?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of houses cleaned
If I'm reading this right,

So, they would make a profit after
cleaning 12 houses

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