Grades 5-6 Video Solutions 2025-2025_5-6

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In a 10-kilometer race, three turtles travel at constant speeds. When the first turtle finishes, the second has covered 2.5 kilometers (one-fourth of the race) and the third has covered 2 kilometers (one-fifth of the race). As the second turtle finishes, it completes the full 10 kilometers. Since the third turtle's progress quadruples in this time, it covers four-fifths of the total distance, which equals 8 kilometers. Therefore, the third turtle is 2 kilometers away from the finish line when the second turtle completes the race. The answer is 2 kilometers.