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Mathematics 4 Online
OpenStudy (anonymous):

A swim pass costs $30 for the first month. Each month after that, the cost is $20 per month. Riley wants to swim for 12 months. The sequence for this situation is arithmetic. The 12th term will be the amount Riley spends for a one year swim pass. Which equation represents the total cost of a one year swim pass? A:a12 = 11(20) B:a12 = 12(20) C:a12 = 30 + 11(20) D:a12 = 30 + 12(20)

OpenStudy (anonymous):

12(20)+30

OpenStudy (anonymous):

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