Need help on the question below.

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?

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.