On a map $3$3 cm represents an actual distance of $9$9 m.
Convert $9$9 metres to centimetres.
Write the distance on the map to the actual distance as a ratio.
$3:\editable{}$3:
Write the distance on the map to the actual distance as a simplified scale ratio.
$1:\editable{}$1:
On a map $20$20 cm represents an actual distance of $16$16 km.
Convert the following description to a simplified scale ratio:
$8$8 mm represents an actual distance of $40$40 m.
Bianca is looking over a map of her local area and notices that the scale of the map is given as $1:100$1:100 in the map legend.