SOLUTION: Two cars 300 miles apart are driving toward each other one car goes 50 mph and the other goes 70 mph. After how long will they meet if they start driving at the same time.

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Two cars 300 miles apart are driving toward each other one car goes 50 mph and the other goes 70 mph. After how long will they meet if they start driving at the same time.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 372723: Two cars 300 miles apart are driving toward each other one car goes 50 mph and the other goes 70 mph. After how long will they meet if they start driving at the same time.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

start driving at the same time.

Let x represent the time it takes for the two cars to meet

d = r*t

50mph*x + 70mph*x = 300m

120mph*x = 300m

x = 2.5 hr, the time it takes for the two cars to meet



checking our answer

50mph*2.5 + 70mph*2.5 = 125mi + 175mi = 300m