The area of a big rectangular room is 300m^2. If the length were decreased by 5m and the breadth increased by 5m ; the area would be unaltered. Find the length of the room.
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length=20………,breadth=15
such an easy ques.
can you please elaborate the answer
ya sure
the area of the room was same when .i.e l×b=300m^2 as well as (l-5)×(b+5)=300m^2 now through second eq. we get l=b+5 replacing this value in first eq. we can get both length and breadth
thnkeu
mention not
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