The Neva River in St. Petersburg, Russia, is 74 km long. How long is it on a map drawn at a scale of 1:500,000?

Mathematics · High School · Tue Nov 03 2020

Answered on

Given :

Length of Neva river = 74 km

And, 1:500,000 which mean 1 cm on map is equal to 500,000 cm on land.

74 km = 7,400,000 cm

Let the length of river on map be x

So, x = 7,400,000/500,000

x = 14.8 cm

 

Thus, Neva river is 14.8cm long on map.