
9514 1404 393
Answer:
 cost for adults: 2×$12.50
 cost for children: 3×$8.00
 total cost: 2×$12.50 +3×$8.00
 $49.00
Step-by-step explanation:
Assuming I, my brother, and my sister qualify for children's tickets, we have ...
 cost for adults: 2×$12.50
 cost for children: 3×$8.00
 total cost: 2×$12.50 +3×$8.00
Evaluation:
 $25.00 +24.00 = $49.00 . . . . . . . multiplication is performed first