SOLUTION: please help me to solve this questions; if the scale distance on a map varies directly as the actual distance.if the actual distance represented by 1 cm is 10km what is the actual

Algebra ->  Pythagorean-theorem -> SOLUTION: please help me to solve this questions; if the scale distance on a map varies directly as the actual distance.if the actual distance represented by 1 cm is 10km what is the actual      Log On


   

Question 560576: please help me to solve this questions; if the scale distance on a map varies directly as the actual distance.if the actual distance represented by 1
cm is 10km what is the actual distance corresponding to 84cm?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Use the ratio:
+1%2F10++=+84%2Fx+ ( cm/km = cm/km )
Multiply both sides y +10x+
+x+=+840+ km
The actual distance is 840 km