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sandra.is starting a vacuum cleaning business. her start up cost to buy a vacuum and other equipment
is $550 she determined she will use about $8 in cleaning supplies for each house.
if she charges $58 per house what is her break even point
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550 + 8x = 58x
550 = 58x - 8x
550 = 50x
x = 550/50 = 11. ANSWER
Solved.
The formulas and the starting equation are self-explanatory.