A ribbon is 3.6 metres long. A craft uses 0.25 of the ribbon. What length is used?

Erklärung

Since 0.25 is one quarter, 3.6 × 0.25 = 3.6 ÷ 4 = 0.9 metres. Choosing 9 loses the decimal place, while adding 0.25 to 3.6 does not find a fraction of the ribbon.