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Mathematics, 23.06.2021 07:00 mschmindy

In 2008, US families spent, on average, $5550 for back-to-school supplies. The number rose to $650 in 2016. Let y represent the average amount of back-to-school spending and x the number since 2008.

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In 2008, US families spent, on average, $5550 for back-to-school supplies. The number rose to $650 i...
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