Evaluate w/4 - 4 when w=20
A) 0
B)1
C)4
D)5

How can you decide witch operations to use to slice a two step equation

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

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?