During migration, a butterfly can travel 30 miles in one hour. Which graph best represents Y, the number of miles a butterfly can travel in x hours

Write a story that matches with the expression 42x-5 pls hurry

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?

I’m really confused and need your assist me with this question i’ve never been taught