can't do math for the life of me. HELP.

MITer94
Sun, 20 Oct 2013 15:45:17 +0000

@Vince011, second statement is slightly incorrect. 10 have fewer than 6 rooms, 10 have more than 7 rooms, so this tells you that 5 buildings have 6 or 7 rooms. However the correct answer is still 11.

@triassiic, what do you mean by “the one building that isn’t mentioned?”