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Solution
Hi Addison,
The unit rate is the cost for 1 ticket. You can find this using equivalency:
$216 = x
12 tickets 1 ticket
Divide the numerator and denominator of the rate by 12 to find the value of x:
$216 ÷ 12 = x
12 tickets ÷ 12 1 ticket
x = $18
The unit rate will be $18 for one ticket.