Question

Jay’s room has a floor of 8m by 4m. He decides to tile the floor with tiles of 25cm x 20 cm. How many tiles will he need?​

Answer 1

Answer:

640 tiles

Explanation:

you can see the solution in the above image

Answer 2

First, we need to convert the dimensions of Jay's room from meters to centimeters to make it easier to work with the dimensions of the tiles.

What is Centimeters?

Centimeters (cm) are a unit of measurement used to measure length or distance. It is a metric unit of measurement and is equal to one-hundredth of a meter. Centimeters are commonly used to measure the length of objects that are smaller than one meter, such as the length of a book, the width of a piece of paper, or the height of a person.

The dimensions of Jay's room in centimeters are:

Length = 8m x 100 cm/m = 800 cm

Width = 4m x 100 cm/m = 400 cm

Next, we need to calculate the area of the room in square centimeters:

Area = Length x Width

Area = 800 cm x 400 cm

Area = 320,000 cm^2

Since each tile is 25 cm x 20 cm, the area of each tile is:

Area of each tile = 25 cm x 20 cm

Area of each tile = 500 cm^2

To find out how many tiles Jay needs to cover the floor of his room, we can divide the total area of the room by the area of each tile:

Number of tiles = Area of room / Area of each tile

Number of tiles = 320,000 cm^2 / 500 cm^2

Number of tiles = 640

Therefore, Jay will need 640 tiles to cover the floor of his room.

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