The graph of the system of linear equations below is shown in the coordinate plane.
4y 5 23x 2 1
2y 5 x 2 13
Why is the point (5, 24) a solution to the system?

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?