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Mathematics 14 Online
OpenStudy (anonymous):

How do you compute a 13% tip on a total check of 27.51 dollars

OpenStudy (mathmate):

Mentally: 10%=2.75 3%=0.82 or =0.85 approx. 13%=2.75+0.85=$3.60 Or use a calculator, or pay by credit card, the terminal calculates it for you.

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