Bunuel wrote:
Official Solution:
Statement (1) by itself is insufficient. The bus could have gone slowly or fast during the last 2 hours of the journey.
Statement (2) by itself is insufficient. We know nothing about the value of the bus's speed for either first or second half.
Statements (1) and (2) combined are insufficient. S2 tells us that the bus spent\(\frac{4}{3}\) hours on the first half of the distance and\(\frac{8}{3}\) hours on the second half. To answer the question, we have
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