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#31779

polygons

geometry

hard

120 sec

A theater sold a total of $260$ tickets for a play. The number of adult tickets sold was $a$ . The number of children's tickets sold was $3$ times the number of adult tickets. The number of senior tickets sold was $20$ fewer than the number of children's tickets. How many children's tickets were sold?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.