Question

the legend on a map states that 1 cm is 20 km. if you measure 12 cm on the map, how many km would the actual distance be? ? km

Explanation:

Step1: Set up conversion ratio

Map scale: $1\ \text{cm} = 20\ \text{km}$

Step2: Multiply measured length

$12 \times 20 = 240$

Answer:

$240$ km