The scale from the fountain to Isabella drawing is 6 m to 3 cm. The height of the fountain in her drawing is 5cm.
This means 6m of the fountain represents 3 cm on her drawing .
1m of the fountain will represent 3/6= 1/2 cm.
The height on her drawing is 5cm that means the fountain is 5 * 2 = 10 m.
