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AMO 2018 — Primary 6 (Grade 6) Question 16

AMO · AMO 2018 — Primary 6 (Grade 6)

Question 16

The figure shown is created by overlapping three 2 cm-by-6 cm rectangles. Suppose an ant moves around the perimeter traveling at 1 cm/second on each horizontal segment and 2 cm/second on each vertical segment. How long, in seconds, did the ant take to complete its entire journey?

Question illustration