Alexa times three laps around a track. Lap 1 takes 1 minute 52 seconds. Lap 2 takes 2 minutes 9 seconds. Lap 3 takes 58 seconds. What is her total time in minutes and seconds?
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Worked Solution
Step 1: Convert all lap times to seconds. Lap 1: 1 × 60 + 52 = 112 s. Lap 2: 2 × 60 + 9 = 129 s. Lap 3: 58 s.
Step 2: Add all seconds. 112 + 129 + 58 = 299 seconds.
Step 3: Convert back to minutes and seconds. 299 ÷ 60 = 4 remainder 59. So 4 minutes 59 seconds.
Answer: 4 minutes 59 seconds
Correct answer: 4 minutes 59 seconds
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