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mahhvelousg97
mahhvelousg97
01.04.2021 • 
Mathematics

Robert rented a web address for his company's website. His contract required a fee of $15 a month for the web address. However, Robert receives a $0.10 discount for every friend he refers during a month. There is also a special new customer discount of 15% off the first month. Which expression can Robert use to calculate the first month's bill, if he refers f friends? 0.15(15 - 0.10f)

0.85(15 - 0.10f)

0.85(15 + 0.10f)

0.15(15 + 0.10f)

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