Respuesta :

(Inverse Operation)
$30/10=$3
$3 For 1 Ride Ticket
$12/$3=$4
Jacob bought 4 Ride Tickets.

First, calculate how much a ticket is from Ann's ride tickets:

30/10=3

$3 per ticket

Then, calculate Jacob's:

12/3=4

Jacob bought 4 ride tickets with $12.

Q&A Education