PLEASE ITS DUE IN 30 mINS

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

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?

Explain why the factor 1.5 is broke. into two numbers in the model.