Ahmad and Siti both completed a reaction speed test. Ahmad's time was 2 minutes and 18 seconds. Siti's time was 130 seconds. Who was faster, and by how many seconds?
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Worked Solution
Step 1: Convert Ahmad's time to seconds.
2 minutes 18 seconds = (2 × 60) + 18 = 120 + 18 = 138 seconds
Step 2: Compare the two times.
Ahmad: 138 seconds. Siti: 130 seconds.
130 Step 3: Find the difference.
138 − 130 = 8 seconds
Answer: Siti was 8 seconds faster than Ahmad.
Correct answer: Siti, by 8 seconds
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