A towel when bleached was found to have lost 20% of its length and10% of ots breadth.
Answers
Answered by
3
I think we have to find the percentage of decrease in area so...
Let original length = x
and original width = y
Decrease in area will be
=xy−(80x100×90y100)=(xy−1825xy)=725xyDecrease = (7xy25xy×100)%=28%
Let original length = x
and original width = y
Decrease in area will be
=xy−(80x100×90y100)=(xy−1825xy)=725xyDecrease = (7xy25xy×100)%=28%
Similar questions