Please help me please!

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?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Ineed to know the answer to this algebra question.