The perimeter of a rectangular sheet is 84cm.If the length of the sheet is increased by 3 cms and breathe is decreased by 1 cm the area of the sheet is increased by 15 cm^2.what is the difference in length and breathe of original rectangular sheet of paper?

Question

anonymous · Answer

2x+2y=84
x+y=42
x=42-y
(x+3)(y-1)=xy+15
xy+3y-x-3=xy+15
3y-x=18
3y-(42-y)=18
4y=60
y=15
x=27

anonymous · Answer

awesome...!

myininaya · Answer

hey kuma look at your previous queston