What is a2 - )b+ c) in simplest form

answer:

the correct answer is

a2-(b+c)

a2-b-c

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

30 people weigh 160 pounds or more