SOLUTION: The scale of a map is 0.25 cm : 15 mi. Determine the distance between two cities that are 6.8 cm apart on the map.

Algebra ->  Radicals -> SOLUTION: The scale of a map is 0.25 cm : 15 mi. Determine the distance between two cities that are 6.8 cm apart on the map.      Log On


   

Question 535560: The scale of a map is 0.25 cm : 15 mi. Determine the distance between two
cities that are 6.8 cm apart on the map.
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
Use ratios and cross multiplication.


.25cm/15mi = 6.8cm/xmi Cross multiply.


.25x = 102 divide by .25


x = 408 miles


Check my profile and contact me for one on one online tutoring. I can help you understand this with one on one online tutoring. It's one thing to follow the example, but even better if you understand the concept.