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IMAS 2021 — Middle Primary Grades 3–4 — Round 1 Question 21

IMAS · IMAS 2021 — Middle Primary Grades 3–4 — Round 1

Question 21

In a race, each athlete must complete a 100-meter distance at their own fixed
speed, and the athlete who reaches the finish line first wins. If athlete A has
reached the finish line, athlete B still has 10 meters to complete the race; and
when athlete B reaches the finish line, athlete C is still 20 meters away. How
many meters was athlete A ahead of athlete C?