Giving max points- ? ? this is my actual last question with homework that i could not find the answer to. explanations are highly appreciated but i understand if its unable to be given. -you so much to anyone who !

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon