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Mathematics 21 Online
OpenStudy (anonymous):

Today, 5 friends went out for lunch. Their total bill was $28.30 , including tax and gratuity. They decided to split the bill equally and each paid with a $10 bill. How much money will each person get back?

OpenStudy (anonymous):

10 x 5 is 50. 50 - 28.30 is 21.70. 21.70/5 is 4.34. Each friend will get back 4.34.

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