Well area of a triangle is

so,

The answer is 8
In this situation, attendee number thirty will be the first one o receive both the bobblehead and the ticket.
<h3>Which attendees will receive the bobblehead and the ticket?</h3>
Bobblehead:
- Attendee number 10
- Attendee number 20
- Attendee number 30
Ticket:
- Attendee number 15
- Attendee number 30
<h3>What can be concluded?</h3>
It can be concluded the attendee number 30 will be the first one to receive both the ticket and the bobblehead.
Learn more about ticket in: brainly.com/question/14001767
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Given:
Principal = <span>£100
Interest rate = 6%
Interest = </span><span>£12
Simple Interest is computed by multiplying the principal by its interest rate and term
Interest = Principal * rate * term
12 = 100 * 0.06 * term
12 = 6 * term
12/6 = term
2 = term
It will take 2 years for </span>£100 to earn <span>£12 at 6%</span>