A fly is flying between two trains, each travelling towards
each other on the same track at 60 km/h. The fly reaches one
engine, reverses itself immediately, and flies back to the
other engine, repeating the process each time.

The fly is flying at 90 km/h. If the fly flies 180 km before
the trains meet, how far apart were the trains initially?

Answer Posted / asdf

it is the correct answer u fool....

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