SOLUTION: John is three times as far from the finish line as he is from starting point of a 10-km race How far has he run?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: John is three times as far from the finish line as he is from starting point of a 10-km race How far has he run?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 643970: John is three times as far from the finish line as he is from starting point of a 10-km race How far has he run?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = distance from starting point
given:
+x+%2B+3x+=+10+ km
+4x+=+10+
+x+=+2.5+
He has run 2.5 km