Final answer:
The event made a total of $2087 from selling adult, youth, and children's tickets by determining individual ticket costs and multiplying by the number of tickets sold in each category.
Step-by-step explanation:
To calculate the total money made from ticket sales, we need to determine the cost of each ticket type and then multiply by the number of tickets sold. The adult tickets are priced at $7 each, and for those between the ages of twelve and eighteen, the tickets are $5 each ($2 less than adults). Children under the age of 12 have tickets at half the adult ticket price, which is $3.50 ($7 divided by 2). Finally, we are given that twice as many adult tickets were sold for those under the age of twelve.
The total for adult tickets is 103 tickets × $7 = $721. The total sales for those between twelve and eighteen is 129 tickets × $5 = $645. Since twice as many tickets were sold for children under twelve as adult tickets, we have 2 × 103 = 206 tickets for children, the sales from which are 206 tickets × $3.50 = $721. Adding all these sums together, the total money made is $721 (adult) + $645 (youth) + $721 (children) = $2087.