Mathematics, 24.10.2020 01:30, Jessietorres5024

Two cities are 45 miles apart. Two trains, with speeds of 70 mph and 60 mph, leave the two cities at the same time so that one is catching up to the other. How long after the trains leave will the distance between them be 10 miles? b
How long after the trains leave will they be 10 miles apart for the first time?

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Two cities are 45 miles apart. Two trains, with speeds of 70 mph and 60 mph, leave the two cities at...