- #1

Natasha1

- 493

- 9

## Homework Statement

A man tiles a wall with 50 square tiles. Each tile has sides of 20 cm. The wall is ten tiles high and 5 tiles long.

2. Homework Equations

2. Homework Equations

No real equations to use here...

## The Attempt at a Solution

What length is the wall?

20 cm x 5 = 100 cm= 1 m

What height is the wall?

20 cm x 10 = 200 cm= 2 m

What is the area of the wall?

50 tiles x 400 cm2 = 20 000 cm2

If he uses square tiles of 10 cm sides, how many tiles would he need?

1 m length / 10 cm tiles = 10 tiles

2 m height / 10 cm tiles = 20 tiles

20 tiles x 10 tiles = 200 tiles used

Am I correct please?