Which graph represents a direct variation relationship? y
A
4
2-
-4
2
2
2
-4
O
У
1
2
x
- 2
ż
+2
4
4
2
2

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?