SOLUTION: Christy drove 270 miles in 6hrs at a constant speed. how long would it take her to drive 405 miles at the same speed?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Christy drove 270 miles in 6hrs at a constant speed. how long would it take her to drive 405 miles at the same speed?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 430193: Christy drove 270 miles in 6hrs at a constant speed. how long would it take her to drive 405 miles at the same speed?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Christy drove 270 miles in 6hrs at a constant speed. 

how long would it take her to drive 405 miles at the same speed?

 Let x represent that time

 6%2F270+=+x%2F405    |Cross Multiplying 

      270x = 6*405

         x = 6*405/270 = 9hr  (makes sense)



CHECKING our Answer***

 6/270 = 1/45 = 9/405 =