(a)[1]
The scale may be expressed as $1\text{ cm} : d\text{ km}$. Determine $d$.
(b)[1]
The gap between two villages is $8$ km. Determine the map distance, in centimetres, between the two villages.
(c)[2]
The distance between the peaks of two mountains is read from the map as $76$ mm. Calculate the distance, in kilometres, between the two peaks.