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MathNet 2010 — Part 03 Question 131

Math Olympiad Vault · MathNet 2010 — Part 03

Question 131

16 road cones are placed in a straight line at a distance of 10 meters from each other. We want to paint on the road a continuous line that goes from the first to the last cone. Knowing that 6 liters of paint are needed to paint 100 meters of continuous line, how many liters of paint are needed to complete this work?
  1. 8.4
  2. 9
  3. 9.6
  4. 10
  5. None of the above.