The sales of 3-day tickets to PlayerCon brought in $347,600. The combined cost of one 3-day adult ticket and one 3-day children's ticket is $90. One-third more adult 3-day tickets were sold than adult 2-day tickets. One-fifth more 3-day children's tickets were sold than 2-day children's tickets. What was the cost of 3-day adult tickets and 3-day children's tickets?