Together, they had 16 Archie comics, 19 Superman comics, and 11 Simpson's comics.
Of those:
3 were special issue Spiderman Meets Archie comics
4 were special issue Homer Simpson versus Spiderman comics,
1 was an incredibly rare and valuable copy of Spiderman and Bart Simpson go to Riverdale High School with Archie and his Friends.
How many comic books all together did the boys have?
Hint: A Venn Diagram with help with this problem!