Karen's Diner offers its clients a choice of regular and diet soda. Last night, the diner served 3 regular sodas and 2 diet sodas. What percentage of the sodas served were regular?

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?