Answer:
ok
Step-by-step explanation:
In order to get as many tickets they need 15 business class tickets and 12 economy class tickets (700x15=10,500)(375x12=4500) Which when you add those two makes 15,000.
16 days since 2/5 is 0.4 and there was 40 days then 2/5 * 40 is 16