SOLUTION: 55/miles hour other rad 65/hour total distance 490 miles and takes 8 hours. How long did he drive at 55 and how long at 65

Algebra ->  Equations -> SOLUTION: 55/miles hour other rad 65/hour total distance 490 miles and takes 8 hours. How long did he drive at 55 and how long at 65      Log On


   

Question 631442: 55/miles hour other rad 65/hour total distance 490 miles and takes 8 hours.

How long did he drive at 55 and how long at 65
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Re TY, Please post question posed so all can benefit. thx

55/miles hour than at 65/hour, total distance 490 miles and takes 8 hours. 

 How long did he drive at 55 and how longhighlight%28x%29 at 65

Question states***  Note:  D = rt

 65mph%2Ax+%2B+55mph%288-x%29+=+490mi

       10x = 50

         x = 5hr, time at 65mph.  3hr at 55mph   8-5



and...

 65%2A5+%2B+55%2A3+=+490