Natalia is writing a recursive formula to represent the sequence.

8, 12, 18, 27,

true

step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

answer: 5

step-by-step explanation:

part a: 1.08

part b: 27.59