Need help with these questions ASAP pleasee!

your answer would be 10x - 1

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

i think the correct option is the second option.

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice