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Mathematics 9 Online
OpenStudy (anonymous):

Thomas A. Edison Middle School is holding a concert to raise at least $500 for new audio equipment. Each concert ticket costs $15. Choose the number sentence with a variable and inequality that represents how many tickets must the school sell to afford the new equipment.

OpenStudy (anonymous):

$15x ≥ $500 $15x ≤ $500 $15 + x ≥ $500 $500 - $15 ≥ x

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