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Sibusiso and Thabo go for a run. Sibusiso finishes first. His stopwatch shows 1:52:27. When Thabo finishes, the stopwatch shows 2:07:11. How much longer did Thabo take than Sibusiso?

Ask by Long Grant. in South Africa
Feb 25,2025

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Answer

Thabo took 14 minutes and 44 seconds longer than Sibusiso.

Solution

To find out how much longer Thabo took than Sibusiso, we subtract Sibusiso’s time from Thabo’s time. Sibusiso’s time: 1:52:27 Thabo’s time: 2:07:11 Step 1: Convert both times to seconds. • Sibusiso’s time in seconds = (1 × 3600) + (52 × 60) + 27 = 3600 + 3120 + 27 = 6747 seconds • Thabo’s time in seconds = (2 × 3600) + (7 × 60) + 11 = 7200 + 420 + 11 = 7631 seconds Step 2: Find the difference in seconds. • Difference = 7631 seconds – 6747 seconds = 884 seconds Step 3: Convert 884 seconds back to minutes and seconds. • Minutes = 884 ÷ 60 = 14 minutes with a remainder • Seconds = 884 – (14 × 60) = 884 – 840 = 44 seconds Therefore, Thabo took 14 minutes and 44 seconds longer than Sibusiso.

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Thabo took 14 minutes and 44 seconds longer than Sibusiso. To find this, subtract Sibusiso's time from Thabo's time: Thabo's time: 2:07:11 Sibusiso's time: 1:52:27 Now, let's break it down: - Minutes: 07 - 52 = 15 (We need to borrow 1 from the hours, making it 1 hour = 60 minutes + 7 = 67 minutes) - Seconds: 11 - 27 = -16 (So we borrow another minute, making it 60 seconds + 11 = 71 seconds) Now convert properly: - Minutes: 66 - 52 = 14 - Seconds: 71 - 27 = 44 So the total difference is 14 minutes and 44 seconds.

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