NEED HELP ASAP
A ticket broker is selling seats to a rock concert. If the broker's commission is a $5.00 base fee and $0.50 extra for every ticket (t), the total cost for the broker's services is calculated by the expression below.

$0.50t + $5.00

How much does the broker earn by selling 12 tickets?

$5.50
$10.50
$11.00
$15.50