SOLUTION: Ching leaves San Francisco and travels toward Los Angeles at 50 mi/h. An hour later, Phil leaves Los Angeles and travels toward San Francisco at 60 mi/h. If the two cities are 38

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Question 72697: Ching leaves San Francisco and travels toward Los Angeles at 50 mi/h. An hour later, Phil leaves Los Angeles and travels toward San Francisco at 60 mi/h. If the two cities are 380 miles apart, how many hours will it take for Ching to meet Phil?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
50t+%2B+60%28t-1%29+=+380
50t+%2B+60t+-+60+=+380%7D%7D%0D%0A%7B%7B%7B110t+=+440
t+=+4
It takes 4 hours after Ching leaves San Francisco
check
50%2A4+%2B+60%2A3+=+380
200+%2B+180+=+380
380+=+380
OK