If a plane leaves at noon on monday and makes it destination at 8; 16pm . 16 minutes lates the same day. how many seconds late is the plane every 15 minutes?

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?