Advanced Mathematics Primary 3 Time

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?

A Siti, by 8 seconds
B Ahmad, by 8 seconds
C Siti, by 130 seconds
D Siti, by 88 seconds
Show Worked Solution

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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