jnmoore23 jnmoore23

31-03-2020
Mathematics

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A ticket to a concert costs either $12 or $15. A total of 300 tickets are sold, and the total money collected is $4140 . The number of $12-tickets sold are

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25tajolly 25tajolly

31-03-2020

Answer: let x tickets of $12 & (300-x) tickets of & 15 were sold for a total value of $4140 so 12x+15(300-x)=4140 or 12x+4500-15x=4140 or 3x=4500-4140=360

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