SOLUTION: if in a rectangle the length if increased and breadth is reduced each by 2m, the area reduces by 28sqm.if length is reduced by 1m and breadth is increased by 2m then the area incre

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: if in a rectangle the length if increased and breadth is reduced each by 2m, the area reduces by 28sqm.if length is reduced by 1m and breadth is increased by 2m then the area incre      Log On


   

Question 895505: if in a rectangle the length if increased and breadth is reduced each by 2m, the area reduces by 28sqm.if length is reduced by 1m and breadth is increased by 2m then the area increases by 33sqm. find length and breadth.
Answer by thesvw(77) About Me  (Show Source):
You can put this solution on YOUR website!
Simple! Think he should earn 'X' marks. Mean is the total marks divided by number of exams.
All together .. there are 5 exams..
%2892+%2B+85+%2B+90+%2B+92+%2B+X%29%2F5+=+90
%28359+%2B+X%29%2F5+=+90
X+=+450-359
X+=+91