Maths Olympiad Prep

Track / Stage 4 / 239 of 340 #499 of 1964

Problem 499

AMC 12 late, AIME early
Algebra Difficulty 4.9 Find the answer

1.2 Mishа noticed that the tram passed by him in 4 seconds, and a tunnel 64 meters long in 12 seconds. Find the length of the tram (in meters), assuming that its speed remains constant throughout the entire observation period.

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Official solution

Answer: 32. (E)

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