ALGEBRA: MOTION PROBLEM (TRAIN ACCIDENT)

ENGINEERING MATHEMATICS
SUBJECT: ALGEBRA
TOPIC: MOTION PROBLEM
QUESTION:
A train, an hour after starting, meets with an accident which detains in one hour, after it which proceeds at 3/5 of its former rate and arrives 3 hours late. But, had the accident happened 50 miles further, it would have been 1 ½ hours late only. Find the original rate of the train and the length of the journey.
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[@rolandsoriano5226]

Good day po sir. Itatanong ko lang po sana kasi naguguluhan ako sa part na in-add po yung time na huminto yung train dahil sa accident (Tb) sa total time (Tac) base sa example nyo. Hindi po ba dapat ibawas siya sa time na nalate yung train since wala naman distance na nacover yung 1hr na yun dahil nakahinto lang siya for inspection or repair? Thank you po and more power sir!

[@derive9274]

Hi sir good day.
Need pa din po sya isama sa time na nalate dahil na detain sya ng 1 hour (repairs, etc). The fact na detain sya dun e meaning nakastock sya dun ng 1 hour so late na po agad sya dun. That's why in terms po tayo ng time nagsolve 😁.
Look at 8:30 po