SOLUTION: Sarah spent 2hrs more travelling by train than by bus. The train averaged 70 km/h and the bus 50 km/h. how far did shee travel by bus if the total trip covered 740 km?

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Question 803347: Sarah spent 2hrs more travelling by train than by bus. The train averaged 70
km/h and the bus 50 km/h. how far did shee travel by bus if the total trip covered 740 km?

Answer by mananth(16946) About Me  (Show Source):
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Sarah spent 2hrs more travelling by train than by bus. The train averaged 70
km/h and the bus 50 km/h. how far did shee travel by bus if the total trip covered 740 km?

Let time on bus be x
time on train = x+2
bus rate = 50 km/h
train rate = 70km/h
distance bus + distance train = 740
d=rt
50x+70(x+2)=740
50x+70x+140=740
120x+140=740
120x=600
/120
x=5 hours Time on bus