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sergiy2304 [10]
3 years ago
6

Two trains depart Charlotte at the same time!

Mathematics
2 answers:
djyliett [7]3 years ago
5 0

Answer:

71 mph

Hope this is accurate.

Masja [62]3 years ago
5 0

Answer:

Step-by-step explanation:

relative speed=60+40=100 mph

distance after  4 hrs=100 *4=400 miles

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