SOLUTION: Two cars are traveling toward each other,
starting at the same time 480km apart. If
they meet after 4 hours, and one car is
traveling 40 kph faster than the other, how
fast is
Algebra.Com
Question 301380: Two cars are traveling toward each other,
starting at the same time 480km apart. If
they meet after 4 hours, and one car is
traveling 40 kph faster than the other, how
fast is each car moving?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If the two cars went 480 km in 4 hrs, then the sum of their speeds must have been 120 km/hr. The speed of the faster car is the speed of the slower car plus 40. So the speed of the slower car plus the speed of the slower car plus 40 must be 120, which is to say the speed of the slower car plus the speed of the slower car must be 120 minus 40 or 80 km/hr, and then the speed of the slower car must be half of that, or 40 km/hr and the other car must have been going 40 plus 40 = 80 km/hr.
John
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