need help with offset

im looking at 2 sets of wheels and im trying to figure out if theyll both work or only one1st wheel is 20x8.5 40mm offset backspace 6.288

2nd wheel 20x8.5 25mm offset and backspace 5.671

and i have a ford ranger with a stepside bed thanks need help quick

hey can any body help or tell me how to figure cause i need to figure this out soon the guy needs money thanks