SOLUTION: In a given amount of time, Michael drove twice as far as Andrew. Altogether they drove 90 miles. Find the number of miles driven by each.

Algebra ->  Equations -> SOLUTION: In a given amount of time, Michael drove twice as far as Andrew. Altogether they drove 90 miles. Find the number of miles driven by each.      Log On


   



Question 1076725: In a given amount of time, Michael drove twice as far as Andrew. Altogether they drove 90 miles. Find the number of miles driven by each.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let d = distance Andrew drove
+2d+ = distance Michael drove
---------------------------------
+d+%2B+2d+=+90+
+3d+=+90+
+d+=+30+
and
+2d+=+60+
The distance Andrew drove is 30 mi
The distance Michael drove is 60 mi