Question
The opera house had 2100 seats. There were 25% fewer $45-seats than $10-seats. 50% of the $10-seats and some $45-seats were sold. A total of $21750 was collected. How many seats were unsold?
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The opera house had 2100 seats. There were 25% fewer $45-seats than $10-seats. 50% of the $10-seats and some $45-seats were sold. A total of $21750 was collected. How many seats were unsold?