What is the ratio 42 inches to 9 feet as a fraction in simplest form?

do you mean add both of the equations together

because if you do the answer is 10x-5

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