Ahmad ran from his HDB block to his bus stop in 2 minutes and 18 seconds. His younger sister ran the same distance in 125 seconds. How many seconds faster was Ahmad's sister?
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. Sister: 125 seconds.
125 Step 3: Find the difference.
138 − 125 = 13 seconds
Answer: Ahmad's sister was 13 seconds faster.
Correct answer: 13 seconds
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