Mrs. smith is thinking of a number that when rounded to the nearest hundred is 400. what is the answer? explain

Since Mrs. Smith is looking for a number which can be rounded to the nearest hundredth, your answer is 350 and above. The reason of this due to any number under 4, you round it down, but any number over 4, you round it to its next upcoming position.

i do not know the answer

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