A carpet was laid in a room 3.5 wide and 5.5 long, between the carpet and the wall there was a space of 60 cm

A carpet was laid in a room 3.5 wide and 5.5 long, between the carpet and the wall there was a space of 60 cm that was not covered. What part of the room was not covered.

To solve this problem, we first find the area of the room.
To do this, multiply the width of the room by its length.
3.5 * 5.5 = 19.25 m ^ 2.
Since there is 60 cm left between the carpet and the wall, the difference in the size of the wall and carpet will be:
60 + 60 = 120 cm.
In meters we get:
120/100 = 1.2 m.
The length of the carpet will be:
5.5 – 1.2 = 4.3 m.
The width of the carpet will be:
3.5 – 1.2 = 2.3 m.
Find the area of the carpet.
4.3 * 2.3 = 9.89 m ^ 2.
Find the part with the carpet.
9.89 / 19.25 = 0.5137.
Find the part that is not covered with carpet.
1 – 0.5137 = 0.4863.
In m ^ 2 we get:
19.25 – 9.89 = 9.36 m ^ 2.
Answer: 9.36 m ^ 2 or 0.4863 of the area of the room.