SOLUTION: For groups of four or more diners, many restaurants add a 15% gratuity and a tax of 8% to the bill. If the bill (including gratuity and tax) for four people came to $193, how much

Question 880012: For groups of four or more diners, many restaurants add a 15% gratuity and a tax of 8% to the bill. If the bill (including gratuity and tax) for four people came to $193, how much was the tip?

Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
Total = 100% bill + 15% gratuity + 8% tax.
193 = 1.23x
Divide each side by 1.23
x = 156.91
That's the bill.
8% of the bill (for the tax) is 156.91 * .08, or $12.55
15% gratuity is 156.91 * .15, or $23.54
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