SOLUTION: At a speed of 50kph, a certain scooter uses 1 liter of diesel every 30km. If the scooter starts with a full 12 liter tank of diesel and travels 5 hours at 50 kph, the amount of die

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Question 1110689: At a speed of 50kph, a certain scooter uses 1 liter of diesel every 30km. If the scooter starts with a full 12 liter tank of diesel and travels 5 hours at 50 kph, the amount of diesel used would be what fraction of a full tank?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
[ km ] = [ km/hr ] x [ hrs ]
+d+=+50%2A5+
+d+=+250+ km
-------------------
[ km ] x [ liters/km ] = [ liters ]
+250%2A%28+1%2F30+%29+=+25%2F3+ liters
+%2825%2F3%29+%2F+12+=+25%2F36+
25/36 is the fraction of a full tank used
check the math