The length, width and height of a room are in the ratio 5 : 4 : 2. If the length is increased by 20% and the width by 25% while the height is reduced by 25%, what will happen to the total area of the four walls of the room?
1
Reduce to \(\frac{1}{12}\) of the initial area
2
Increase by \(\frac{1}{5}\) of the initial area
3
Increase to \(\frac{1}{12}\) of the initial area
4
Reduce by \(\frac{1}{5}\) of the initial area