Question

A map has a scale of 2cm to 5km
rewrite the scale as a ratio in its simplest form.​

Answer 1

1: 250 000

( There are 1000 metres in a km and 100 cm in a m, thus you multiply 5 km by 100 000 to convert it to cm, then you divide by 2 in order to get the simplist form of the ratio )