Mathematics, 18.12.2019 20:31 lainnn974

John sells tickets to a school concert. adult tickets cost $6.50 and children's tickets cost $4.50. john collects a total of 157.50 from the ticket sales and he sells twice as many adult tickets as children's tickets. how many tickets does he sell all together?

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John sells tickets to a school concert. adult tickets cost $6.50 and children's tickets cost $4.50....