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Mathematics 21 Online
OpenStudy (anonymous):

Write an equation for computing a 18% tip in a restaurant. Does your equation represent a function? If so, what are your choices for the independent and dependent variables? If not, choose none in the appropriate blanks.

OpenStudy (anonymous):

If you just want the 18% then you would do y=0.18x where x is the bill. If you wanted the 18% added to the bill then you would do y=1.18x.

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