You can put this solution on YOUR website! what is the break-even function
c(x)=17x & R(x)=540-10x
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C(x) is Cost
R(x) is Revenue
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When C(x) = R(x) you break-even.
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Breal-evem Eqiation: 17x = 540-10x
25x -540 = 0
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Cheers,
Stan H.