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Mathematics 9 Online
OpenStudy (anonymous):

a customer has a debit card that gives monthly cash back bonuses. If the customer spends from $10.00 to $499.99, he earns 1% cash back. If he spends $500.00 to $999.99, he earns 2% cash back. For monthly purchases of $1000.00 and more, he earns 3% cash back bonus. His monthly purchases for the past 6 months are as follows: $345.00, $592.00, $609.00, $280.00, $1020.00, and $452.00. How much did he earn in cash back bonuses over the past six months (rounded to the nearest cent)?

OpenStudy (anonymous):

..

OpenStudy (anonymous):

345 (.01) = 3.45 592 (.02) = 11.84 609 (.02) = 12.18 280 (.01) = 2.80 1020 (.03) = 30.60 452 (.01) = 4.52 3.45 + 11.84 +12.18 + 2.80 + 30.60 + 4.52 = 65.39 <--answer Any questions ?

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