$16 for 2 tickets; $40 for 5 tickets
16:2 and 40:5. These are ratios.$16 and 2 tickets for the unit rate is 8/1.$40 and 5 tickets for the unit rate is 8/1
$16 for 2 tickets:$16/ 2 tickets= $8/ticket.$40 for 5 tickets:$40/ 5 tickets= $8/ticketThe unit rate is $8/ ticket.