SOLUTION: A woman travelled 3/8 of her journey by rail, 1/8 by car and walked the last 45 km. How far did she travel?

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Question 1101363: A woman travelled 3/8 of her journey by rail, 1/8 by car and walked the last 45 km. How far did she travel?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
d, the total length of the journey

%283%2F8%29d%2B%281%2F8%29d%2B45=d
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%281%2F2%29d%2B45=d
d%2B90=2d
highlight%28d=90%29

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check:
90%2A3%2F8%2B90%2F8%2B45=90
%281%2F2%29%2A90%2B45=90
45%2B45=90
checks right