Tina had 20 m 5 cm long cloth. She cuts 4 m 50 cm lengthof cloth from this for making a curtain. How much cloth is left with her?

Explanation

To solve the problem, we need to find out how much cloth Tina has left after cutting a certain length from her original cloth.

### Step 1: Convert the lengths into the same unit (centimeters).
- Tina has 20 meters and 5 centimeters of cloth.
- We know that 1 meter = 100 centimeters.
- Therefore, to convert 20 meters into centimeters:
\[
20 \text{ m} = 20 \times 100 \text{ cm} = 2000 \text{ cm}
...