HELP ASAPPP (This is a geometric series question)if the second term of a geometric sequence is 3 and the 3rd term is 1 what is the first and fourth terms

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