Respuesta :

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Ticket Sellers
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1 ticket seller  = $10 x 50
1 ticket seller  = $500

12 ticket sellers = $500 x 12
12 ticket sellers = $6000

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Cleaning person
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1 cleaning person = $7.50 x 50 
1 cleaning person = $ 375

25 cleaning person = $375 x 25
25 cleaning person = $9375

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Ushers
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1 usher = $8.50 x 50
1 usher = $425

15 ushers = $425 x 15
15 ushers = $6375

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Total
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$6000 + $9375 + $6375 = $21750

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Answer: Total monthly salary per month = $21750
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