Junior three summer homework math 2 1 thinking.

1, 540 ÷ (14-8) = 90 (km)

2.90× (24-14+2) =1080km.

When the train will arrive in D is still uncertain. (I don't know what day it is at 20: 45, but it may be at 20: 45 on any day, in case the distance between C and D is far away!

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