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.

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) (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

 

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