Question

A map is drawn using a scale of 1cm/80 mi

Two cities are 280 miles apart
How far apart are the cities on the map?

Answer 1

280/80 = 28/8 = 7/2 = 3.5 cm

Explanation:

the ratio is 1cm/80mi = a cm/280mi

so you get 280cm * mi = 80mi*a cm

so a = 280/80 = 3.5