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11-02-2017
Mathematics

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one satellite radio service charges $10 per month plus and activation fee of $20. A second service charges $11 per month plus and activation fee of $15. In what month was the cost of the service the same?

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LuckyIce1 LuckyIce1

11-02-2017

y=10x+20
y=11x+15
5 months

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