Mathematics, 29.11.2020 19:30, s6ties

For a concert 5,000 tickets were sold, and the proceeds were $72,000. Tickets for children 16 and younger were $10, adults were $20, and seniors 60 and older were $15. There were 3 times more children than seniors at the concert. What system of equations represents the number of children, c, adults, a, and seniors, s, that attended the concert?

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For a concert 5,000 tickets were sold, and the proceeds were $72,000. Tickets for children 16 and yo...