Final answer:
After purchasing the airline ticket for $120 from her initial savings of $600, Sally has $480 remaining.
Step-by-step explanation:
Sally initially saved $600. After purchasing an airline ticket for $120, we need to calculate how much money she has left. This is a simple subtraction problem.
To find the amount of money Sally has after the purchase, subtract the cost of the airline ticket from her initial savings:
$600 (initial savings) - $120 (cost of the ticket) = $480
Therefore, Sally has $480 remaining after buying the airline ticket.