Answer:
60
Step-by-step explanation:
$40 is 4xs as much as $10...$10 gets you 15...$10 times 4 is $40...so 15 times 4 is 60...so you get 60 for $40
360
15/3=5
60/15=4
number decreases by 1
60 x 3=180
180 tickets for $30
180 x 2=360
360 tickets for $40
answer is 360
