The speed of an object in space is shown in the graph. What is the slope of the line? A. 10
B. 15
C. 20
D. 25

What is the most accurate measurement of 1 pound

How do you solve a question like this?

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?