8. The table shows the prices for admission tickets at a science museum. A group purchases 4 adult and 9 child exhibit hall admission tickets and 10 planetarium show tickets. They have a coupon for $20 off their total ticket pourchase. How much does the group pay for the tickets? Ticket Type Exhibit hall admission Planetarium show @ $81 $141 $161 $181 Adult Child $15 $9 $4 $4

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