You can put this solution on YOUR website! write a situation that can be represented by 6n+4
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The national debt is 4 billion more than six times its 1990 level.
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cheers,
Stan H.
You can put this solution on YOUR website! A taxi charges $6 per mile with a $4 cover charge. Might be a bit inflated, but the real equation would be quite similar, differing by only coefficients.