Carter left Pittsburgh at 10:00AM traveling east at 50 miles per hour. At 10:30AM Duncan left Pittsburgh traveling east at 55 miles per hour. How far had each traveled when Duncan overtook Carter?
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At 10:30 AM Carter had traveled 25 miles.
Let me quickly explain this. At 10:30 both people are traveling. The time that each person has traveled after 10:30 is the same.
Each equation gives the distance traveled from Pittsburgh. Both are equal when they have traveled the same distance.
Lets solve it.
T= 5 hours
The distance equals 25(5) miles=275 miles.
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