Do Now (12/21/2020): Evelyn sees a TV on sale for $500. She has a coupon for 15% off the TV. What will be the final cost of the TV after the discount?

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?