A person travels 365 km in 8 hours in two stages. In the first part he travels by bus at 40 km/hour and in the second part by train at 55 km/hour. How much distance did he travel by train?
A165 km ✓ Correct
B170 km
C200 km
D164 km
Correct answer: (A) 165 km
Explanation
He covered 165 km by train.
Let bus time be t; train time is 8 - t.
40t + 55(8 - t) = 365.
-15t = -75, so t = 5, giving train time 3 hours.
Train distance = 55 x 3 = 165 km.
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