Mathematics
Mathematics, 08.04.2020 19:01, juter92

Mr. Johnson purchased 20 concert tickets for a total of $225. The concert tickets cost $15 for adults and $10 for children under 12. How many tickets for children under 12 did Mr. Johnson purchase?

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Mr. Johnson purchased 20 concert tickets for a total of $225. The concert tickets cost $15 for adult...

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