To determine how much Lena makes from the fundraising event and her profit after expenses, we can follow these steps:
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Calculate total revenue from ticket sales:
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Regular Tickets: \[ \text{Revenue from Regular Tickets} = \text{Price of Regular Ticket} \times \text{Number of Regular Tickets} = 12 \times 45 = 540 \]
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VIP Tickets: \[ \text{Revenue from VIP Tickets} = \text{Price of VIP Ticket} \times \text{Number of VIP Tickets} = 25 \times 30 = 750 \]
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Total Revenue: \[ \text{Total Revenue} = \text{Revenue from Regular Tickets} + \text{Revenue from VIP Tickets} = 540 + 750 = 1290 \]
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Calculate total expenses:
- Venue Rental Cost: $300
- Band Payment: $50
- Total Expenses: \[ \text{Total Expenses} = \text{Venue Rental} + \text{Band Payment} = 300 + 50 = 350 \]
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Calculate profit:
- Profit: \[ \text{Profit} = \text{Total Revenue} - \text{Total Expenses} = 1290 - 350 = 940 \]
In summary, Lena's total revenue from the ticket sales is $1290, her total expenses are $350, and her profit from the event is $940.