SOLUTION: a map has a scale of 45 miles to the inch. how far apart on the map are two cities that, in reality are 315 miles apart? how far apart in reality are two different cities that are

Algebra ->  Conversion and Units of Measurement -> SOLUTION: a map has a scale of 45 miles to the inch. how far apart on the map are two cities that, in reality are 315 miles apart? how far apart in reality are two different cities that are       Log On


   



Question 831640: a map has a scale of 45 miles to the inch. how far apart on the map are two cities that, in reality are 315 miles apart? how far apart in reality are two different cities that are 18 inches apart on the map?
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
If 1 inch represents 45 miles, how many inches represent 315 miles?
Divide 315 by 45.
315/45 = 7 inches.
.
Do it the opposite way for the second part.
45 miles * 18 inches = 810 miles apart