<PRE><B>Question 99238</B>
60(T-1.5)=40*T
60T-90=40T
60T-40T=90
20T=90
T=90/20
T=4.5 HOURS IS THE TIME FOR THE FREIGHT TRAIN.
4.5-1.5=3 HOURS FOR THE PASSENGER TRAIN.
PROOF
60*3=40*4.5
180=180


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