TAN YU HAO's answer to Macdaddy's Secondary 1 Maths Singapore question.
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Answer’s 85
Since the distance is the same, we could use the average speed throughout the two trips, by adding both speed together, then divided by two. (90+80)/2
Since the distance is the same, we could use the average speed throughout the two trips, by adding both speed together, then divided by two. (90+80)/2
Date Posted:
2 years ago
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