3. By using the table in question 2, write an equation to illustrate the relationship between the height of the tree and the number of years since it was planted. How tall will the tree be in 8 years?​

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?